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No commits in common. "221a81583a9fa04991723482215e83191cb10f51" and "e37883ea3a8afa9322f14c12d0ed16dfa714e0a7" have entirely different histories.
221a81583a
...
e37883ea3a
4 changed files with 0 additions and 335 deletions
140
day4/input
140
day4/input
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XMXXMSSSMSXSXMMXSAMMXXSXMASMSSXXMAMXAMXSXMXSMAMMASXXASMMXMASXMSSXMMMXMXSXXSXMXXSAMXSXSXSAMXMSAMXMAXXXMXMAMSASXMSSXMSXSXXMAXXSSSMXMXMXMMAASXM
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MSSMMAAXAMMSAAAXXAMSXMAMXMSMAMMXSAXMXMASAMASMAMMASXMAMAXXXMASAAAXMSMSMAMAMMAMAMMMMXMASMMXMXAMASXMAMMMMASMMSMMMMASAAXAAMMMMSMXAAMSAMSASMMMMAX
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AAAXMMXMSMASXMMSMXMMASMAAMXMASAMMAXSAMASAMASXXSMASASMSMMMMASMMMMMMAAXMXSAMSAMASMASAMAMASMMMMSAMXMAXAASASAAXAAXMASMMMSMXAAXAAMSMMMAXMAXMAASMM
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SSMMXSAAXMMSAXMAXAAXAMXXMSSSMSMAMAMXAMXXXMXSXMMMMSAMXAXXAMXAXXMAXMASMXASAXXMSAXXASAMAXAMXXAXMXXMSASXMMASMMSSMSMMSASAMXSSSSMSAAAXMMMMXMMSXSXA
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XAAAAMMSMSXXMXAASXSMSMSMXXMAMXMASXSSMMXMAMAMMMAAMMAMMMXSSMSAMXSMSASMXXMSXMAAMAMMMSXMAMMSXSASASAMXASXAMAXMAAAAXXMSXMXMXMXMAXAMXSAXAAXAXAXAMXS
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SXMMSXAXASXAMMMMSXMXMASXMMXMMSMAXXMAMAMXAMASASMSMXAMXMMAMASAMXSXMMXAXSXSAMXMMAMAAMXMASMAXAAMAMSMMXMMMMMSMMMSAMXAXMMMSXSASMMMSMMMSSSMMMMMAMSM
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AAXAXMSMAMSMMAAMSMSAMMMAMAASASMASMSAMAMMASASASXMASMSMSAAMAMAMAMASXMMMAASXMAXSASMMXAXAMMMMMSMXMAXSASASAMXXSMMMSMMMAXAAASAXSAXXAAAMAMXSASMXMAS
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SSMMSMAMSMSXMSMMSASXSXSAMSMMASASMMSASASMXMMXMMXMASAAAXAMMXSAMASMMMAXXMMMXSAMXXSAMSMMSSXXAAAMMSSMSASXMASMXMASAXAMSSMMMMMMMMXSSSMXSAMXSASXMSMS
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XMAMAXMXXAMAMAMAMXMXXASAXAXMXMXASASAMASMSAMXXSSMMMMMMMAMXMSASXMMASMMSSMMMSMMMMMMMASMXAMSMSMSAMXAMAMAXAMMMMAMMMSAAXSASASASXMAMAAXMASXMMMMXSXS
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SMASXSXASASAMAMXSSSSMASXMASMSMSAMXMAMXMASAMSXMAASAMSXXMMXASAMXMSAMAAXXAAAMAMMAAMXAXXMAXMAAXMAXMXMSMSMMMMAXMMSAAMXSMXSASAAMAMSXMMSXXAXAAXMSAS
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XMAXMXAXSAMXXXMAMXAAXMMMXAAAAAXASMSSMXMXMAMXASAMMASMXSXMXMMAMAAMASMMSMSMXSAMXMMSMSSXSXMMSMSSSMXXAMAXMAXSAXMAMXSAMXXXMMMMMASXSMSXXMMMSMMMAMMM
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SMSSSXSAMXMMSMSMXMSMMAAXXSXSMMSAMAMAXXXXSAMSAMASMXMMASAMXXMAMSSSMMAXAXAXXMMXSAMSAMAMXAXXMXAAXXAXMMSMMSAMXSMASAMAASAMSAMXXSMAXAMMXAAMAMXSMSMS
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SAXAMAXAMAAASAAAAMAXMMXMMXMXAMXAMAMMMMMMSSXMAXAMAXAMMMMSAMSMXXMAMXMSXSMSMSAAXAMMAMMMSXMMXMMSMAMSMAMAAXMSAAXAMXSMMAMAAASXMMMMMSMMMSXSASMSAAAA
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MMMAMMMSXSSMMSMSXSAMMSMMASXMSMSMSASXAXAXMXXSXMSSXSMXSXXXAXAMMMXAMAAXMSXAMMMSSMMSAMAMAAMSAMXAMAMXMAXMMSAMXSMMSAXASXXXSXMXXAAAAMAMAMXSAMAMSMMM
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SSSSMMXMXMXAAMXMASAMSAMMAXXAAAAAXASXMSXSAMXMAXXAXXMASMSMMSMSAMMSSMMXAMSXSAMXAMAXXXASXMMAMMXXSXMAXMXSAMXMAMMXMASMMMSXMAMAXXSSMSAMSXMMSMMMMMMM
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SAAXMMAMAXSSMSAXAMAMMAXMMSMSMMMSMSMMXAMMXAASMMMXMAMASAAAAAASMSAXAAAMMMMMSASMMMMSSMMXAXSMMSAMSAMAMSAMAMAXSXMAMAAXAAAMSXMASXAAMMMMAAMAMXXXAAAA
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XMSMSMASMMMMASMMSSSMSSMSAAXXASAMXMAMMASMMSXSXAMXSXMAMXMSSXXMAMXSMMXSAAAASXMASXSAMMSSSMXAAMAMSAMSSMASXMSAMXSSSSSMXSAMXXSASMMMMAAMSSMAXASMSSSS
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MXMAASMMMAASXMXXAAXMAAAMSSMSXMASAMAMSSMAAXAMMMXXMXMAXAXMAMXMXMXXXMASXSMXMMXAMXMASAXMMAMMMSMMMAMXAXAMMMMAMAMAAXXAMMMXXMMXMXSXSSMMAMMSMXMAMAMM
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XAMMMSXAXSXSMMXMMMMMSMMMAMASXMAXXXXMXAMMXXASAXXAXMSAMSSMSAMXAMXMMMXSAMXAASMSSXSAMMSAXSMSAAAASAMXSMXXAXXXMAMMMMSXMAAMMMXAAXXAMXXMASAAMXMAMAMX
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SASMAMMMMMASAMXMMXSAAXXMXMXMASXSMSMMSAMSSSSMAASMXMASMAAAMASMAMAAXMAMXSSMMMAXAAMXMXMMMXAMSSSMSAMXAAMSSSMMSXSXAXMAMXMMAXXMSMMMMAXSAAXASXSMMAXX
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MASMMMAXAXAXXMXSXXMAMSAMMSXSAMAAAAAAXAMAAMMMXMAAAXAAXAAMMAMMAXASMXXMSMASMMMMMMMAXAASAMXMAMAXMXSMMXMAAAAAAASMMMMAMMSSXMXMAMAAXSMMXXXSAMXASMMS
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AASAMMSXMAMSSMASMMMAXMASAAXMASMMSMMMMSMMSMSSSXMSMMMSAMMSXASXMSMXMAAMASAMXAXSMXSMMSXXMXSAMXXMSSMMXMMMSMMMMAMAMASXMAXMASMSMSSSXMAMAMSAXSAMXSAA
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MASAMAXXXMAAAMAXAMXXXSAMMMMMMMXXXXXSAXAXMAAAMXMAXXXMAMAMMAMXAAAAMSSMAMMXMMMMAAXMAMMMMAMAXXMASXAXMXAAXMAMXASAXMAAASMMMMMAXAXXMXAMASAAMXXXAMMM
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SASAMASASAMSSMASXMMSAMMMMASXMASMXMMMASAMXMMSMXSAXSMSAMASMMSMSMMMMAAMAMXSAMSSMMSMASAAMAMAMXASMMMMMSMMSASAMASASMMSMXAAAMMMMXMSMSSMXSMAAMMMXSAX
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AAXAMXSAMMAAAMASAAAMXXXASASAMMAMAMAMMMMMMSMMMMMMSMASXSASAAAAAXAMMSSMSAAMAMAAXXXMAXMMSXSAMXSAXSAAXAAXMAXAAMMMMAAMASMMMSXXXAAXMAAXXMXMXAAMAMMS
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MXSSSMMMMXMSXMASMMMSMMSXSASXMMMSXSXXXAXAAAAAMAAXAMMMAMAMMMMMMMMSAMMAMMXXMMSSMMAMSSMXAMMXSMMSXMASMMSMMAMXXSASXMMMAMMXAAMSMMXXMSSMXMASMMMSXSAS
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XMMAAASAMXXAMMXXAMAXAAMXMAMAASXMAXMASMSMMXSMSXSXSSMMXMSMMSXXAAXMAXMXMMMSMAAAASMXAAMMAMSASXMXMSAMXAXXMSMMASAMXMAXSMSXMSAMXSAMMAAAASASMMMAAMAS
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MMMMMSXMSASMSXSSSMAMSXSAMAMMMSAMXMXASAAMMMMASAMXMAMMMAXAAAMSSSSSMMAAAASAMXSSXMMXSMMSAMMMSASAMXMMMSMMMXAXAMXMSSXSAAXAMXXSAMASMSSSMXAMAASMMMAM
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MASAMXMXSAMXAAXAMMXXMASASXSSSSMMMXMXSXXSAAMAMAMMAMASMMXMAMXAMXMASMXXSMSASMMMMASAMAXMAMAXXMMASMMAAAAAASAMXSAXAAMSMMSXMAXMASAMAXAAAMSMSMSAAMAS
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SASMSAAAMASMMMMAMXMASAMXMAAXASXASAAMMXASMSMAMXMAMSAXSMAMXSMMMSMMMMAXXXSAMAAAXXMASMMMASMSSXSAMASMSSSMXMAMAXXSMXMXXASMMMXSAMXMMMMMXMMAXASMMSAS
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MASXSMSXMSMMAXMXMASMMMSSMMMMMMMMSMXAAXMSXAMSMSXXAMXXMMMSMMASAMMXSMMMSAXMASXSSMMXXMASXAMXAMMMSXMMMAXMASMMSSMMXMXXMXXAXAAMASXAMAXMXMMSMMMXAMAS
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MSMAMAMMXXASMSMXSMMXASAMXMXXAASXMMSMMMXMXMXMAMMSMMSMSAMAMMAMASXAXAAAMMMSXMAMMXSXMXMMXSASAMAXMAMSMMMSAMAAAAAMXSMMSASMMMMSMMMMSMSMXSAMXAXMMMAS
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SAMXMXMMAMAMXXMAMAASMMMMSXMSSSSXAASAMSXMXXAMAMAAXMMASXXXSMXXAMMSSSMSSXXMASMXAASMXAAAMXMSASXXSAMXAAAMAMMMMSSMMMASXMAAXAAAXMAXAMAMXMASMMSSSMSS
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AMMASXAMMSMSMSMSSSMXMASAMMMAMAMMMMSAAMAMSMMSSMSMSAMXMSMAMXSMXMMAXXMAMAMXMMXMMXSASMSSXSXSAMAASAMXSMSSMSSSMXXMAXSMAXSMMMSSSSSSSSSSXSAMAXAAAMAS
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MXMAXMAXXAASAMAAAMMMSAMASAMASASXMASMMXAMXAXAXAMXMMMAAAMAMAXAAMMMSMMMSSXXAXAAMMMMMAAAASAMSMMMSASAAXXAAAXAXSSSSSMSSMXXAMMAMXAXXAMAASMSSMMSMMAS
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XSMAXMSSMSMMAMMXSMAMMXXXSAMASXSXMXXASMXMMMMMXSSMAAXASMSSMMSSMSAMXXSMAMXMASMXSASXMMMMMMAMAXXXXAMMSMXMMMSMXMAAMXAAMAASXSMMMMMMMMMMMMAAXAXMAMMM
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AMMAMSAAXMASXMXAMMASMMSMMMSXMAXAXAXAMMMSSMAXSMAMSMSAMXXMAXAAXSASMAMMAMASXSAASXSAXXXXSSSMMSSSMMMXMAMXMXAXMMMMMMMMXSXSASAMASAAXAAAAXMASMMMSSSM
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AMAXMMASMXXMASAXMASAAASXAAMASMSXMMMMSXAAASMXXMXMAMMAMMSSMMSSMSAMMSMSXSMSAMMMSSSXMASXXAMXXAAAAASMXAAAMMXSAAAAAXAXXMSMASXMASMSMASXSSMMXAXXAAAS
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SSMSMMMMMXSSXMASMMMSMMMMXMSAMXMAAXAAAMMSMMMXXSMMXMSAMXAASAMXMMSMXXAAAXAMAMAMMASXMMXMXMMMMMSMSMSASMSXSAXMMSSSSSMSAXXMAMAMXMXXAMXXAAXAXMMMMSMM
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XAASASAAXSAMXMASAAXAXMASAXMXSASXMMMSSSXMASMSMAASAAXMASMAMSMXXAAXAMXMMMSMASASMAMMMAXSMXAXAAMMMXMAMAXAXMMXXMAXAAASMMSMXSMMASMMSMSMSMMMMSASAMXS
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MMMSAMMSSMMMXMASMMXMMSAMXMASMAXXAXXAAMXSMAAAMXMMAXXXMMXSSMSMMSSMMAAXMAASASAMMAXAMSSMASASMMSASMMAMXMMMSAMSMSMSMMMMSMXAMAMASMAAXAMMXAAAAAMXSAS
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SMXMAMAMXXXMAMASAMXSAMMSSMMMMAMMSMMXMAMMSMSXSMSSMMSSSMAXAAAXAAAMSSXSASMMMMMSSSSSSMAMXMAAXAXXXAXXXAASAMASXAXAXAAAMASMXSAMMSMSMSMAXASMSSMSXMAS
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||||
SAXSAMXSASMSASASAMXMASAAXAAXMAMAAXMAMSMAXXXAMXAASXXAMMSSMSMSSMSMMAAAMXXAMSMMAAXMAMAMXMXMMMSSSSMSSSXMASXMMSMSMSXMSAMMXSXSXXAAAMXMSMXAMMMXAMAM
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MXMMMAAMASASASMSAMSMSSMMSSMSMAMSSMMMXMMSMMMMAMSSMXMXMAXXAXXAASAAMMMMXMMXXAAMMMMMAMXSSMAXAXMAAAXAAXXSMMMMAXAXAAXXMXSMMMMMMMSMSMAMMXMSMSXSXMAS
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MAMXSMMMAMMMAMASXMAXAXMXMAMAMAXMAMXAMMAMAXASAAMAMMMSMMSMXMMXMMSXMXXMXMASXSMMXSAMXXSAXSASXSSMMMMMSMMXASAMXMMMMMSXAMXMAAAMAMXMMMXSMAXXAMXMAMAX
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SMSAXAASMSSMMMAMASMMMSSSSSMSSMSMASXSXMAMMSMSAXSAMAAAAMXXSXAMSAMXMASXSMMSAMAMAMAXASAMXMMXAXAAMXMXMAMSXMAXXAXASMMMSMAMSXMSSSMMAMXMMMSMAMASXMSS
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XAMMSSMSAAMXXMSSMXXXXAAMAXAAAXAMMMMXAMASAMXXMAXAMMXXSMASXMXSAASAMAMMAAMMXMSMMSSMMSSXMSSSMSSMMMSMSAMMXSAMSMMMXAAAASMXMXMMXAMMMMAMAMXMAMMSAAXA
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MMMMAMMMMMSSSXAAXXMMMMSMAMMMMXXMAAAXXMAMMSSMMSSSMSXMMMMMAAXXXMMAMASXSXMAXXXAXAMAXXASAMXAXAAAMAAXSMSAAMAMAASMSSMSXMXAMASXSXMASMMSXSASASXSMMMM
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||||
XXAMSSMXAXAASMSSMMMAAAAMMMXXXMSXSMXSAMXSMAXAXMAXAAMSASXSSMSMSSSXMXSXMAMMSMSMMXSXMAMMXXXMMSSMMMXXXAMMMSXSMSMAAMMXXMSXSAXAMASASAXAAXASAXMXSAAX
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SSMSAAMSSMMMMMAAXAXSXXSSSMSSMMSAAAASAMASMSMMMMAMMMXSASAAMAAASAMXMASMSAMSAAAASMMMSAXSSSSSMXMAASXSMMMSXMXMMMMMMXXAMMMAMMMSMAMASMMMSMXMXMMAMXMS
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AAXXMMMAMXAMXMXMMSMXAAMAMAMXAAMSMMMXAMASMAASAMXSASAMMMMMMXASMXSASMXAXASMMMMXMAAAXAXXAAAMMAMXMAAXAXASAMMMASXSMMMMSAMXMXAMMXSXSXMAXAMXXXMASAXM
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SSMSXXMAXSAMXMXXAXAMMMSAMXMMMMXMXXASXMASMSMXASASASMMAMAXMMMMMMSASXSSMXSMAAMASMMSSSMMMMMMSSSSSMMSSMASAMAMAMXAAAAXMMSMMMMSAMXMMMMAXXMXMMSAMASX
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MAAXMXMMMMSMXAAMXMMXMASAMASXASAMXXMAXSXSAXMSMMXSAMXSASMSMSAAAAMAMAXAAXMMSSMASAAAAAMSMXSAAXXAXXXXMMMMAMSMASXSSMMSXAAAXAXMAXSAASMSSSMASXMXMSAX
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SMXMAAXSAXAXXMXXXAXSMMMAXAMMAMXSXSXMXSAMAAASAMAMAMASMSAAASMXSSMSMSMMXSAAAAMSMMSMSSMXSAMMMSMMMSAMXAMMSMXMASAMXXMAMSSSSSMSAMXSXSAAAASXMAXAXAAX
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SAASXSXSXSMSMMASMMMASASMMSMSSSMMMSAMXMAMSAMXAMXSAMXSXXAMMMXMAMXAAASXASMMSSMXAXXAAMXMMMXAAAAAAXMASASAAXAMXSAMAMMMMAMXXXXMASAMMMMMSMMMSSMMXMSM
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MSMSAXXMMXXAXAAMAAAAMMSMAXAAAAXMASXMASAMMSXSXMAMXSXMXXXXSAMMASXMSMSMMSAAXAASXMMMMSAMASMMXSMMMMAMSAMXSSXSASAMXMAMMAMMMMXXAMAXAXAAAAAXAMXSAAXM
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MAXMMMXSASXMSMSMSAMXSASMXMMMSMMMMSASXSXSAXXMASXMAMAMMMMMMASMASAXAAXXMMMMSAMXMXAMASXXAXAXAXMAMXSAMMXSAMAAAXXMAMASMMMAASAMSSMMSMMMSSMSSMASMSMS
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MSMAMAAMXMAAAAAMXSXXMASMMMAMXMASMSAMAMAMMSMSMSAMXXAMAAAAMXMMASMMMSMSSXMXSXSAMMSSXMMASXMMXMASMMXAMAMMAMMMSSSSSMMMAASMSMMMAAAAXASAMXAAXMAXXXAX
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MAMAMMSXMXMMMMMSAMXMMXMAXXAMXAMXMMXMAMAMXAAAASAMASXSSSSSSXXMASAXXXXAAXSASMSASAAMMXAXXAXXAMAMMAMAMAMMAMXXAAAXAASMSMMXXAAMMSMAXAMXXMMMMMXMAMSM
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SASASXAMSSSMXAAMAXXAMXSAMMXSASXSXAXMASXSMMMMMMAMMSAAAMAAMAXMXMAMXXMMMMMASAMAMMSMASMMSSMSMSAXMASXSXSMSMMAMMMMMMMAMSMMSSMSXMASMMMSSSMSAASMSMAS
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SASASMASAAAMSMSMSSSSMAMASXMAXMAXMMXSASAMASAXAXXMXSMMMMMMMMXSSMSSXSAXXSMAMMMSMMMAXAAXAAAAAMMSMMSAXAAXMAMXMMSSSXMXMAXAAXAXASAXAMAAMAASMSMAAAAS
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MAMXMAMMMSMMMAXMAAAXMAXAMXXMSMSMSAAMAMAMAMASXSAMAMSXXSMMXSAMAAXAASMMAXMMSMMMASXSSSSMSSSMSMAAXSMXMMMASAMXMMAAAXSXSSMSSMMSAMASAMMSSMXMXAMAMMXS
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MXMMMSXXAAAXMAMMMMMMSMSMSMMXSAAAMMSMSSMMSSXAMSAMSSSXMMASAMXSMMMMMMMMXXAXMAMSAMXMAAMMMAAXXMMSXSASXSXAXAMAXMMXMMXAAAAXXAMMXMASAMSAMXAMXMSMXSAM
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SAMXAXMMSSSSMSSSMASXAMAAXAMAMXMSMXXXMAXAMXMMXMAMMXMXMSAMMSMMMXAXXMASMXMSSSMMAMXMMMMMMSMMXSMMAMAMASMXSASASMSSXSXSMMXMASXAXMXSXMMMSSXSAAAAAMAS
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SASMMMAAXAAAAAAASASXMSAXMSMMSMMMXMSXSAMMSAAXMMSMMASAXMAMAAAAMSASMSASAMXAAAMXAMXXAXXAAMASASAMAMXMAMAASAMMSAAXAXAXAXSSSMMMSMAMAMAXAAASMSMXXMAM
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SAMASMSMMMSMMMSMMXSAMAMAAXXAMAAXAMAAMAMMSASAXAMASASASMSMSXSMXAMXMMXSXAMMSMMMSMSMSSSMSMMMMMASXMAMXMXMMXMAXMMMMMXMXAMMAAXXAMAXAMXMMAMXMXMASMMS
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MAMSMMAAAXMAMXAMXAMAMASXSSMMSSMSSMMSMSAAMXMMMXMAMASAXAXAXAMMSSMAXSAMXMAMXXSXMASAMAAXMASASXXMMSAMAMAXASMSMXXASMMAXMSSSMMSXSMSSSXXSASAMXMAMAMX
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SSMMASMMMMASXMAMMAMAMXMMAAAAAAAAMMXXAMMXSAMAXMASMMMXSMMAMXMAXASXSMASXMSMMMAAMAMXMSMMSASASMAMXSASMSASMSAAMXSXXMASXMAXAMXAXMXAAAAMMAXMXAMAMSMM
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XMAMAMXAAXMAASMMMSSMSSSMSMMMMSMMXXXMAMXASASMSMAXAXAASXSXSMMMMXMMXMAMMAAAASMMMXMXMAMXXXMAMMAMAMXMXAMSAMMMSASAASMMAMMSSMMMSSMMSMXMMAMMSMSMXXAS
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ASXMSSSMMXMSMMMAAAAMAAXAAMASXXAXXMXSSMMMSAMXXMMSMMMXSASAMAAXMMXXMASAMSMSMSAMSASXSASXXXAASMMSXSXXXSSMMMXXMAXAXMAMMMXAAAAAAAAAXAXXMAMXAXXMASXM
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XSXAXAMXSXMMSAXMMSSMMSMSMSASASXMASAXAXMMMMMMAMXAMXMAMXMAMMMXSAXAASXSMMXMAMXMSAAASAMMMSSXSAMXXMMXAXMAXAXSMSMASMXMSSMSSMMSSSMMSXMXMASXMMSMASAM
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XMMMMAMAMAMASMMSMMAXAXAMXMAXMAMXXMMSMMMAMXAAAXMSSSMXMASAMXAXXSXMXAAAXSAMXMSASAMXMAAMMAMMSAMXAAMMMMSMMASXAMXAMMMMAAXMAMAAAAAASAMXMASAAAMMASAM
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MMAMSAMAXAMXSMAMAMAMMSXMXSMSXMSMAAAAXASASMMSMSAAAXSAMXMMXMASMMMSMMMMXMXXAXMAMMXXMSSMAASASMMSMSXAAMASASMMSMMMSAAMSSMMSMMMSMMASMMMMXSAMMSMAMXM
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XSAMSXSSSXMXXMAMAMXSXSAXAXAMXMAMSMSSMMAMXMXAAXMMMMSMSAAXAMXXAAAAAXXXASMSMSMSMSMSMAAMSMMMXAMXAMMSXSAMSAXAAMAMMMMMMAAAXASXXXMAXMASXMMMSXXMSSSM
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MSXMMAMMAMSMSMMSSMXMASAMMMXXASAMMAAXXAXMAMSMSMXXSASMSAMMASAMSMSSSMXMAXXAXXXAAXAAMXMXXXXXXMMMXMAXXMAMXMMSSSSSSMSASXMMXMMAMXMXMMAMMAAAMXAXAAXA
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AXMAMAMXAAAXMAMAXSXMAMXXXAMSXSXSMMMSMMASAMAAXAXXMASAMASXMMMMMAXAMMMSSMXSMSXMSMSMSMXMXMMSMSASAMXMMMMMXXAAXXXAAAMXMMSSSXMXMAXASMMSSSMSMSAMMSMM
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AAAAXAMMXSXSSSMASXSMASAAMAXMASAMXAAMMAAXMSMSMMSASMMAMAMAXAXAMMMMXSAAAMAMMSAXMAMXAAASMMMAASAMXMXMAMMMSMMSSSMMMMSMMXXMAASXMXSXMASMMXAXMXAXMMMM
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||||
SMSSSMMSAMAMAXMSMAXMMMMXSMSXMXSXSMSMSMSSMXAAAASASMSXMASMSXSXSXXXAMMSMMMSASMMMAMSMSASAAMMXMXMASAMSXAAAAMXAXAXMXAAMSMMSMMAXMAXSMMAAXMMMSMMSAMX
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XMMAAAAMAMSMSMXAMXMMSMMAAAXAMSMXSAXAAXMAMSXMSMMXMAAXXAXXMXSAMMMMMSAMXSXMMMMASAXXXMASMMXSAMMSASASAXMXSSMXMSMMXSMSMAAXAAXMMSAXXSSSMMSAXAMMXASA
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XAMSMMMSSMXAAASMMMAXAAMSSMXSMAMAMAMXMXMAMXMXXXAXMAMAMXSAAAMAMAXAAMASAMAMAMSASMSMXMMMXXMMASAMXSXMMXSAMXXAXAASAMXAXXMSASMSAMXSAAMAAAMXMMXXMASX
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SMMMAMAAMAMXXXMXXASXMSMAAMAMSMSSMAMSMSMASXAXSMSMSAXMAXSAMXSSMSSSSSXMMMAMMMMXSAAXAXMAMMSSXMMSAMAMXAMASAMMSSMMASXXMMAMAMAXMMXMAMSXMMSSMSAMSAMX
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SXMSAMMSXXMSMMMSXMXAAMMXXMAMAXMAAAXAAXSAMMSMMAAASXSASXXAAAMAAAXXAXAXXXAMXASAMXMSXSMMSAAAXXMMASASMMXXMASAAAASAMMAMSASAMMMSSMSSXMXMXXXAAAMMASM
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MAASXSSXXMMAXAAAAXXMSXAMSMMSAXSMMMXMXMMMXAAASXMXMMMMMXSAMXSMMMSMMMSMSSSSSXMMSAMXXXMAMMSMMSMSMSASXSXMMAMMSMMMAMXAXSAMXMSAMXAXMASXMMMSAMXMSSMM
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SSMXMMAMXSSMSMSSMMXXAMAMMAXAMXSAAXASMSASXSSXMMSXXAAAAXXXSASMAASAAAAMXAAXMAMASMMMSSMSSMAMXXAAAMXMASMXMASXAXMMAMSMXMSMMXMSSMMMXXMAASASXXMMSAMX
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AXMASMAXXAAMAAAAAXXMMMXMSSMSMASMMSAMAMXXAAMXMASXSSSMXSXMMASAMAXXMASMMMMMSAMXSMSMAMAAAAASAMXMMMXMMMAASXSMSSSMMMASAAAMMSMAMAMSXSMSMMASMMAXXAMX
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MAMXXMASMMSMSSSXMMMMSSSXAMAXMAMXMAMMAMMSMMMASMXAMXMXAMXMMMXMASXXXMAXAAAXSMSXSASMSMSMSSMSASXSMMMSMMSMSMSAMAMXXSASMSMSMAAASAMXAXAAAMAMASMMSAMX
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||||
XSSXSAMXAXMAXXMASXSAAAMMMSSMMMSMSAMXXMAAAASXSXMMMAAMMSAXAMAAAXMASXAXSMSMSXSXMAMXXAXAMMXXAMASAMASAAXAXAMAMAMXXMXMAMAAXSSMSASMMMSMSMMSXMAXSMMX
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||||
XAAAMASMSMMXMMMXXAMMXXMAXMAMXMAAMASXMMMSXMMAMXAAMAXSXSXXXMXMMMMMMMMMMMMMMASXMAMMMMMMMSAMXMAMAMXSMMSMMXSMMAMSMMAMMMSMXMAMXXMAMAMAXMASXMXMSAMX
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MMAMMAMAAXMAMMMSSSSXSAMXXAMMAMMSMAMAXXXXXSMSMAXSXSASMMASMMSMSASASMXAMAAAMAMXSAXAAXSSMXSMAMMSXMXXAAAXMXSXSAXAAMSMMAAXAAAMMMSXMASXMASXMSXXXAMX
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AMAXMAXXMASAXAMXAAAASAMSSSXSSSMMMSSXMXXXAMAMXMSAAXASMSMMAAAASASASAMSSSMSMXMXSXXSMMMAMAMMAXMAMXASMXXSXAMAXXXSMMAAMSSSXSMSXAXAMASASXXAXXMMSSMM
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SASMSMSMXAMMMSXMAMMMMAMAAAAAAAAMAMAMXMMMXMXSAMMMSMASAAXXXMMMMMMMMAMMAXAXAASXMXXAASXSMAXMASMMMMMMMSMMMXSMSSMMXSSXMXAXMXAXMMSXSAMAMASMMMMAAXSA
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ASMAMXAXSXXSAXXSAMAXSXMMSMMMSSMMXSAMAAAASMMMMSMAXMAMXMSASMXXXAAAXXMAMMMMMMSAASMMMMAXSXSMMMMAAAXAAAAASAMXAXXAXMASMMMMMMXMAMAXAMMAMXMMAAMSSMAS
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SXMAMSSMSAAMASMMASXMMAMXMXSMXMMAMSASMSMXSAAMXAMXSMMSMMAXMASMSSSSSSXAXAXAAMMMMMXSAMXMXMSAAASMSMSMSXSAMAXMAXSMMXAAXAMAASXMSAXAMSSSSXASXMXAXAMX
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AXMSXXAAMMMMXSASAMXXSAMASXSAAXMAXXMMXAMMMXMMXMSMMAMMMXSAMXSXMXAMAMSSSXSSSXMSAXMAMXMMMASXMMSXMASAMXXMMMSXSAXMASMSSXXMSSMAMMMMXAAAMXXMAXMXSXXM
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MASXMSMMMXXXAMMMXMMMMASAMXMMSMSMSXSSSSMAMMSSSXSMSAMAAXMMSMMAMMXMAMAXMAXXXAASMSXMASAAAXMSSMSAMXSASMSMSAAAAMMMAXSAXXMXMMMAAAAMMMSMAMXMAMSASAMX
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XMXAXAMASXMMMSSMAMXAXXMMSSMAMASASXAAAXMAMXAAMASASMSMSXSASASAMAMSSSXMSMSAMMMMASMXXASXMSAMXAMMMAXAMAAAMMSMMXXMSXMXMASAAXSSSMXXAAAXAMMXSXMAXXAA
|
||||
MXSMSMSASAAXAAAMAXMSMMAAAAMAXAMAMMMMMMSASMMMMAMXMASXMAMAMAMMMMMMASXAXAMAMXMMXMAMXMMSMMXMMMMSMSSSMSMMMXMAXXAMXAMXMAXMSMAAMMMSSSSSSXXAMAMAMSSM
|
||||
AMAMAMMMXMMMMSSSMSAMASMMSXMXSSMMMMXSXMXAMXASMMSMMMMASXMSMSMXSMAMAMMXMMMMMAMSAMAMXMASXAXXXXAXXAAAMXMSXXSXMSXAXAMMMMMXAXSMXAMXXAXAAXMASAMAAAAM
|
||||
SSMSASMMXMAMXAXAMMMSMMAXMMSAMXAXMAASXMMSMMMSAAMAAMSXMSAAAAASAMXMXXMAMAAAMXXSAXMSXMMSMMSMMMMSMMSMMAMXMAMMXMMXSAMAAMASAMXSSMSXMXMXMMSASXSMMSSM
|
||||
XAASASAAASXSMMXXMAMXASAMMAMAMSXMMMXMAMAMASASMMSSMMAAXASMMAMMMXAMAMXMMSSSMXASAMSXXSAMXMAXAAMSMXAASXSASXSMAXMXSASMMXAMASAAMXMXASXMXAMXXMXMAAAX
|
||||
SMMMAMMMMSMAAAASMSSSXMAMMAMAMXMMSMSSSMASXMAXXXAMXAXXMMXMXMSMXXMMASAAXMAXAMXMXMAAAMASXSASMXXXSSSXMAXASAAXMXMAXXMASMSMAMXMSASMSAXAXSMXXSAMMXSM
|
||||
SAXMXMMXMXMMMMXSAAAXMASXSSSMSAMMSAAAXXAMAMXMSMMSSXMMSMASAAAMAMXSASMSMMAMXMAMMSMSMSAMAMMAMMASAMXMASMAMMMMSAMSSXMAMAXMXMSXSAXSMXMSMAMAXMAMSAXX
|
||||
MMSMMMSAMMSMXMSMMMMMMAXXAMAMSMSAMMMMMMSAMXAAAASAMASAAMASMXMXMAMMASAAAMMMXXMXAXAAAMMMXMMAAXXMASMXAXMXSAMASXSAAXSSMSMMMMMMMMMMMMAAMAMXSSMMMASA
|
||||
MAAXAMSASAAMAMXMAXXAMXSAXSAMXMMMSSXXXAXAXSMSSSMASAMSSMXMXAXXSXXMAMXXSAAAXSSSSMSMSMAXAXSXMXXXMAMMSSXAXAMASXMAMMXMAAXAAAAMASAAAMSMSMSSMASXMMMM
|
||||
MSSSXXXXMXMMMXASMSSSSXMMMXXSXXSXAMMMMMMMMXAAMAMAMXMAXXAASXSAAASMMSXMMMMSSMAAXMXMMXMSMMMAXSSMSSSMAXMMSMMMXMASXASMSMSSSSXMAXXSMXAAAMXAMAMXAAMX
|
||||
MMAAXSSSMSXMXSASAAAMAAMXSXMMMMMMAXAAAASMMMMMXSMXMXMSSSMXMAXMSMMAMAMASAMXAMMMSSXMAXXXMAMXMAAAAAMMMMSAMAAXXAMXMSMAAXXMAXAMMSAMXSMSMMMXMASXSMMS
|
||||
XMMMMAAAASMMAAMMMMMMSSMAMAAAAAXSAMSMSMMAASMSXAXXXAMMAMXAMMMXMXSXMAMXSAXXAMXMMMMMSSMXSMXAXMMMMMMSXAMASXSSSMXXMAMXMSSXMMXMAAAMXMXXAASXMSXMAAXA
|
||||
MXSAMXSMMMAMMSXSXXXXAXMAMASXMXMMMMMAMASMMMAAXMMASASMAMSMSAAAMXMXSSSMSXXMSMXMAMXAMAMXMASMXXAMXXAMMASXMAXAASAMXMSAMAMMSMMMMSMMAMMMSMSAXMASXMMA
|
||||
AMXXMAAAXSMMXAMAXMAMMMSSXMXMASXSXAMAMAMAAMXMXSAMAMXMAMXXMXXASAMMXAAASXMSAAMSSMMXSAMSMAAMXSSSSMSSMMSAMMMXMMMSAXSAMMSAAASXMAASAMMAMXSAMSXMAMMX
|
||||
SSSSMMMSMMSMMMAMSAXXSMAXSAMXAAASMMXAMSSSMMMSAMXXASXMXSXMSSSXSXSSMSMMMAXSMSMXMASAMAMXXSMSAAAAXMAAXASAMSMSXXAMMMSAMAXXSXMAMXXSASMMXAMXMXMSXMXS
|
||||
AAAMASMAXMAXAXSXSXMASMAMMMMSAMXSASMXXAAAXXXMASASASAMASAMAAXAMMMAAAAMXMMXMXMASAMASASXAMAMMSMMMMMSMMSAMAASAMMMSASXMXSMMASMMMMMAMAMSAMMMAXXAMMS
|
||||
MMMSAMSAMSMSSXXXMAMMXMASXAAAXXXSAMASMMMMMMXSXMMSASMMASAMMMMXMASMMMMMSXMXMAXMMSAAMASMMMXMXMXMASAAAMMMMSSMAMAMMASXSXSASAAMSASMMMXMAMSASXMXAMAM
|
||||
XXXMXMMMXAMAXMXSMXMMAMAMMMSMMMAMSMAMAXMSMSASAAAMAMAMASMMSAMXMXMAXXMASAMXSMSMMMMMMXMXXMAMXMAMAXSMMMAAAXAMXMXSMAMASAMXMMMASASXMSSSMASASAMXAMAS
|
||||
XSAMXSAMAAMAMMASAXASASAMSAMAAXXXAMXSSMSAAMASXMMSASXMAXMAMASMMSSMMMMAXAMMMMAAAXAXXMASMXAMAMAMSMMMSXSSMSAMSMXMMAMXMAMXXXXXMAMXXAAAXMMMMAMSXSAS
|
||||
MMAAAXAMSMMSSMAXMSXSXXAAMAMSAMXMMXXAMXMMSMXMMXXMXXAMMMMXSAMAAMAMSSMMXAMAAXSSMMSMMMXXAXSSMSASXAMAMXAMXSAMMAAMMXXXAMSMMMSMSMMMMMSMMXSAMAMAXMAS
|
||||
ASXMSMXMMMAMAMXMXMAMAMSMMMMMSMXSXMXMASMXMASXMASMSSMMSAMXMASMMMAMMMASMMSSSMAXAAMMSASMSMAAASXSMMMASAXXAXAMXSMSMMXMAMAAAAAAAMAAAMXXXAXXXSMSMSAS
|
||||
MMMAXMMSMMASXMMAAMXMAXAAXSAAMXAAAXMMMMMXXAMASAXXAAXASMXAMAMASMMSXMXMAAAAXMAMMMMAXAMAAMMMMMMSAMMMSXMMSSSMXXMXASMMMSSSMSMSMSSSSSSMMAMSMXAXAMAS
|
||||
MAMAMMASASXSAAMSSMXSASMSXXMSSMSSXMAAAMXMMMMXMSSMSMMXXMMMMAXXMAAMAMXSMMMSMMXSXAMSMSMSMMXXAXAMAMSXMAMXXAMMSAMSXMASAAXMAMAAAXAAAAAXASAAAMAMMMMM
|
||||
SAMXSMASXMAMMSMAAMXMXXMAMMAAXAAMAMMSMMAXAMMXAXXAAXXMXSAMSSMASXMMAMASAMXMAMAMMXMXAXAXASMMSSMMAMXASAMMMMSASAMAXXAMMSMMSMMMSMMMMSMSAXSMMMSMMAAX
|
||||
SASAAMMMAMXMAMMSSMAXMXMAXMAMMMMSSMAXMSSSXSASXXMXMSSMAMMMAASAMXASXSXSXMASAMASMMSMSMMMMMXAMAMXSMMMSASXAMMASMMMSSXXSXMAAAMAMAXXAAAMMXAXSXMASXSS
|
||||
SAMXMAXSXMXMAXAXAMSSMAMSXSASXMAXMMMSAAMAAMAXAASXXAAMXMXMSMMXSSXMASAMMSAMAXAXAAAAAXMAMXMXMASAMAAXXAMMXSMAMAAXMAXMSAMSSSMASMMSAMXMSSMMXAMMMAXM
|
||||
MXMMXSXMASXXMMXSAMASMAMXASAXAMSXSAMXMMSMMMMMSAMAMMSAMXSAMAAXXXMXAXASXSMSSMMSMSMSMSXSXMAXSAMASXMSMSXSMSMSMSMSAMXXSAMXMAMASAMXXMASXAXSMSMAMMMS
|
||||
SMSXAMMXAMXMSSMSAMAXSASMMMSMSMAASMMXAXXAXAXAMAMMXMAMMASAXMASMMSMMMXMAMXAXSXMAAAMXMXXAMSAMXSMMAAXAMAMXXAMXXXSAXXAMAMXSMMMXAMXXXXSMMMSAAXSAMXA
|
||||
MAMMMMAMSSXXAAXSXMSXMXSAXAXMASMMMSSMMMMMMMMXXAMXMMMXSASAMXSXAAAASASMSMXMASMMSMSMAXAXAMXMSASMSMMMMMMSAMMMMXASXMMMSSMMXMAXMMMMSSMSAAAMXMMMAMAM
|
||||
MAMAMMSMMAMMXSMXMMMAMMSXMAMSMSXSAMXAAAASAMMXSASXXAAXMAMXMMAMMSMSXASAASAMAMAMAAAMMMMXMMMMMAMXMAMASAAXMXMAMMMMMSXMAAAXXMAMXASXSAASMMXMMMASAMXA
|
||||
SAMMSAMASAMSAXMSXSSSMASMSMASMMMMAMSXMSMSASAAXAMXSMSSMMMASXAXAXXMMMMXMXXXXMXMMSMMSMSAMAASMSMXSAMXSMSXXAXASAMMASAMSXMMSMAXSAMSSMMMASXSAMASAMMS
|
||||
SMSAMXSASAMXASASAAAAMAMAAMAMAAXXMMSAMXMSAMXSMAMXXMAAXAMAXSMMMMMSAAAXXSSMSMSXMAAXAASASMMSAXAAXXMMXMMMSXSASASMAMAMXMSASMAMMAMXMXMASMAAMMASAMAA
|
||||
XAAMSMMXSMSMAMAMMMMMXXMMMMASMMSXMASAMMMMXSAMXSMSAMXSSMMSMMXXSAAXSMSXMXAAAASMSSSMMXMMXMAMXMMMSSSMSAMXAASXSXMMMXMMMAMASMMXSMMXSXXMASXMXSASMMXS
|
||||
MMMAMXMMSASXXMSMSXXXAMSMMSMSMASXMAMAMAAAXMASXAMAMXAAAXAXAXMASMSXMXAXSSMMMXMAXXAMXMSSXMXMASXMAXAAMAMMMXMAMXSXMASAMAMAMASMMAAAXXMMAMXXXMMMASMA
|
||||
XMMAMAAAMAMMMMXAXSSMMMAAXAMXMAMMMMSSXSMSSMSSMMMAMMMMMMAXSXMAMXMASMMAXAMXSSXSMSSMSAAASXMSASAMSXMMSAMAMSMSMASASAMAMXMXSAMASMMXSASMSSSMSSMSAMXS
|
||||
MAMAMXMMMAMAAAMMMXMASXMSSXMAMMMXAAAAXXXMXMAMAXSXSASASMXXMXMASASMMAXMSAMASMAMAAAAAXSMMXXMASXMMAXMMASXSXXAMASAMXSXMSXXMAMXMAAXSAMAXAAAAAMMSMXM
|
||||
ASXSSXSASMSSMXSAMXMSMMAAAASMSMSSSSSMXMAMSMMMSMMASAMAXMAMMAXMSASMSSMXSAMXSMAMMMMSMAXXSXSMMSAMSXMSSMMMMXMMMAMXMASAAXAMSSXMMMMXMMMXMSMMMSMAXMMX
|
||||
SXAAAXSAMAAAAMSXMMSXAMMMXMXAAAAAXAMXAMAMXASAXXMAMAMSMSAASAMXMMMAAAMASAMXSMMSXXXAMASAMXXAAMAMMSMAAASXSAMXMMSMMASMMMXMAMAMSAMXXMMSXMASXMMSMMSM
|
||||
MMMMMMMMMMMMMMMAMSMMSMASASMSMMMMMMMSMSAXSAMXSMMMMMMXASXXMMSAAASMSSMASAMXMAMXMXMAAXMMMSSMMSXMAAMSSMXASXXAXAXAMAMAXASMSXSMSMSMSSXMASMMMMAMAASA
|
||||
AAXAXXAXXXSASASAMAMMMMMXAAAXMASAAAMXAAMAAAMAXMASAAAMXMSXAAMMXMXXMAMASAMMSAMMMASXMASXAXAMXAAMXSMMAASMMMSAXSSMMSSMMMSXMAXAMMAAAMASMMXASMAMMMMS
|
||||
SSSMSSMSMMSASMXAXXSAXXSMSMSMSASMSMSMMMMXMAXXXSASXSMXMAMMMMSSXMMMSXMMMAMASMSXSASAXASMSSXMMSXMAMASMMSAAXMSMAAAAMAMXMMAMAMAMSMMASXXAXSAMMSSMXAX
|
||||
XAAXAAMAAMMMMXMXSAMXSXMAAAAMMMSAXASAMXXMXXAMXSXMAXAAMAMAAXAMMSAAXXMXSAMXSAAAMXSAMXSAAAAXXMAMASAMMASMMMAMMSMMSSSMSASXMSSXMXXMAMMSSMMXXAXAAMMX
|
||||
MSMMSSMMMSAAAAXMAXMAMMMSMMMSAAMMMAMAXXSMSMSMAMASXMSXSASMSMMSASMSMSAASMMMMMMSMXSASXMMMSXMASAMAMMMMAXASXXSAAAAAAMASAAXAXAAMXSMSSMAMAXMASMMMSSS
|
||||
AAXAAAAXXSMMSSSXAMSAMXAAAAXSASAMMAMSAMXAAAAMASAMAAXMAXSAAASMMSAXAMMXMAMSAMXAXMSAMMAAAAXAXSXMMSXXMASAMMAMXSSMMSMAMSMAMMSMMSAMXAMASMMASXAAAAAA
|
||||
SSSSSSMMXMAMMMXMAMSMMMSSSMXXMMMXSXSMSXMAMSMSXMXSMMMXMASXXSMSMMMMXMAMXAXSXMSAMXMXMSSMSXMSAMXASMXMAMAMXMMMMMAMXXMXXAXXXAXSXXXMSAMAXXASMSSMMMSM
|
||||
|
|
@ -1,94 +0,0 @@
|
|||
-- see if the file exists
|
||||
local function file_exists(file)
|
||||
local f = io.open(file, "rb")
|
||||
if f then
|
||||
f:close()
|
||||
end
|
||||
return f ~= nil
|
||||
end
|
||||
|
||||
-- get all lines from a file, returns an empty
|
||||
-- list/table if the file does not exist
|
||||
local function lines_from(file)
|
||||
if not file_exists(file) then
|
||||
return {}
|
||||
end
|
||||
local lines = {}
|
||||
for line in io.lines(file) do
|
||||
lines[#lines + 1] = line
|
||||
end
|
||||
return lines
|
||||
end
|
||||
|
||||
-- tests the functions above
|
||||
local file = "input"
|
||||
local lines = lines_from(file)
|
||||
|
||||
-- Solution Starts here
|
||||
|
||||
local target = "XMAS"
|
||||
|
||||
---@diagnostic disable-next-line: redefined-local
|
||||
local function count_xmas_at_index(lines, line_idx, char_idx)
|
||||
local count = 0
|
||||
|
||||
local line = lines[line_idx]
|
||||
|
||||
local test_words = {}
|
||||
-- Forward
|
||||
test_words[#test_words + 1] = line:sub(char_idx, char_idx + 3)
|
||||
-- Backward
|
||||
test_words[#test_words + 1] = line:sub(char_idx - 3, char_idx):reverse()
|
||||
|
||||
local up_right = ""
|
||||
local down_right = ""
|
||||
local up_left = ""
|
||||
local down_left = ""
|
||||
local up = ""
|
||||
local down = ""
|
||||
for offset = 0, 3 do
|
||||
local up_idx = line_idx - offset
|
||||
local down_idx = line_idx + offset
|
||||
local right_idx = char_idx + offset
|
||||
local left_idx = char_idx - offset
|
||||
|
||||
if up_idx >= 1 then
|
||||
up = up .. lines[up_idx]:sub(char_idx, char_idx)
|
||||
|
||||
up_right = up_right .. lines[up_idx]:sub(right_idx, right_idx)
|
||||
up_left = up_left .. lines[up_idx]:sub(left_idx, left_idx)
|
||||
end
|
||||
|
||||
if down_idx <= #lines then
|
||||
down = down .. lines[down_idx]:sub(char_idx, char_idx)
|
||||
|
||||
down_right = down_right .. lines[down_idx]:sub(right_idx, right_idx)
|
||||
down_left = down_left .. lines[down_idx]:sub(left_idx, left_idx)
|
||||
end
|
||||
end
|
||||
test_words[#test_words + 1] = up_right
|
||||
test_words[#test_words + 1] = down_right
|
||||
test_words[#test_words + 1] = up_left
|
||||
test_words[#test_words + 1] = down_left
|
||||
test_words[#test_words + 1] = up
|
||||
test_words[#test_words + 1] = down
|
||||
|
||||
for _, v in ipairs(test_words) do
|
||||
if v == target then
|
||||
count = count + 1
|
||||
end
|
||||
end
|
||||
|
||||
return count
|
||||
end
|
||||
|
||||
local xmas_count = 0
|
||||
-- print all line numbers and their contents
|
||||
---@diagnostic disable-next-line: unused-local
|
||||
for line_idx, line in ipairs(lines) do
|
||||
for char_idx in line:gmatch("()X") do
|
||||
xmas_count = xmas_count + count_xmas_at_index(lines, line_idx, char_idx)
|
||||
end
|
||||
end
|
||||
|
||||
io.output():write(xmas_count)
|
||||
|
|
@ -1,91 +0,0 @@
|
|||
-- see if the file exists
|
||||
local function file_exists(file)
|
||||
local f = io.open(file, "rb")
|
||||
if f then
|
||||
f:close()
|
||||
end
|
||||
return f ~= nil
|
||||
end
|
||||
|
||||
-- get all lines from a file, returns an empty
|
||||
-- list/table if the file does not exist
|
||||
local function lines_from(file)
|
||||
if not file_exists(file) then
|
||||
return {}
|
||||
end
|
||||
local lines = {}
|
||||
for line in io.lines(file) do
|
||||
lines[#lines + 1] = line
|
||||
end
|
||||
return lines
|
||||
end
|
||||
|
||||
-- tests the functions above
|
||||
local file = "input"
|
||||
local lines = lines_from(file)
|
||||
|
||||
-- Solution Starts here
|
||||
|
||||
---@diagnostic disable-next-line: redefined-local
|
||||
local function count_xmas_at_index(lines, line_idx, char_idx)
|
||||
local line = lines[line_idx]
|
||||
|
||||
local up_idx = line_idx - 1
|
||||
local down_idx = line_idx + 1
|
||||
local right_idx = char_idx + 1
|
||||
local left_idx = char_idx - 1
|
||||
|
||||
local char_count = {}
|
||||
char_count["M"] = 0
|
||||
char_count["S"] = 0
|
||||
if up_idx >= 1 then
|
||||
if right_idx <= #line then
|
||||
local key = lines[up_idx]:sub(right_idx, right_idx)
|
||||
if char_count[key] ~= nil then
|
||||
char_count[key] = char_count[key] + 1
|
||||
end
|
||||
end
|
||||
|
||||
if left_idx >= 1 then
|
||||
local key = lines[up_idx]:sub(left_idx, left_idx)
|
||||
if char_count[key] ~= nil then
|
||||
char_count[key] = char_count[key] + 1
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
if down_idx <= #lines then
|
||||
if right_idx <= #line then
|
||||
local key = lines[down_idx]:sub(right_idx, right_idx)
|
||||
if char_count[key] ~= nil then
|
||||
char_count[key] = char_count[key] + 1
|
||||
end
|
||||
end
|
||||
|
||||
if left_idx >= 1 then
|
||||
local key = lines[down_idx]:sub(left_idx, left_idx)
|
||||
if char_count[key] ~= nil then
|
||||
char_count[key] = char_count[key] + 1
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
if char_count["M"] == 2 and char_count["S"] == 2 then
|
||||
return true
|
||||
end
|
||||
|
||||
return false
|
||||
end
|
||||
|
||||
local xmas_count = 0
|
||||
-- print all line numbers and their contents
|
||||
---@diagnostic disable-next-line: unused-local
|
||||
for line_idx, line in ipairs(lines) do
|
||||
for char_idx in line:gmatch("()A") do
|
||||
if count_xmas_at_index(lines, line_idx, char_idx) then
|
||||
xmas_count = xmas_count + 1
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
io.output():write(xmas_count)
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
MMMSXXMASM
|
||||
MSAMXMSMSA
|
||||
AMXSXMAAMM
|
||||
MSAMASMSMX
|
||||
XMASAMXAMM
|
||||
XXAMMXXAMA
|
||||
SMSMSASXSS
|
||||
SAXAMASAAA
|
||||
MAMMMXMMMM
|
||||
MXMXAXMASX
|
||||
Loading…
Reference in a new issue