The check matrix of a [88,72,7]₃.

For more information see Extending and lengthening BCH-codes.

1000000000000000200120122010102011012102111111022212200022021021000010202001212202101021
0100000000000000122221212101001210210002210122022210212101010202110010000100201211111121
0010000000000000101222102010001002011011002211122011212102002002020222021211200112202001
0001000000000000221201001100002220021102220102120021212112220001122012202021222112200122
0000100000000000211210010001012121122012101210222212102111122100222010222221010022002020
0000010000000000021121001000101212112201210121022221210211112210022201022222101021200010
0000001000000000112010212210002122100020122002120201000020221121011210111201002211010222
0000000100000000002112100100010121211220121012102222121021111221002220102222210122021110
0000000010000000020210202202100210220110120200200201101211121211022010021011102201001000
0000000001000000202102022021002102201101202002002011012111212110220100210111022002021221
0000000000100000220222021020212211010110202122110011022200002122221210201122002011202112
0000000000010000022022202102021221101011020212211001102220000212222121020112200200010022
0000000000001000122210201000100201101100221112201121210200200202022202121120010102111201
0000000000000100101112021001021211222021112110211121220121202001112110201112022112121211
0000000000000010220100221010201012101200022120011121022001220022011221001002112112000111
0000000000000001121020022000011100122011102012100121212211100022110211010121112221000110

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