length n = 236
dimension k = 6
alphabet length q = 3

minimum distance d = 155

generator matrix:
00001000000000011111000000000000000000000000000000111111111111111111111111111111000001111111111000000000000000000001111111111111111111111111111111111111111000000000011111111111111111111111111111111111111111111111111111111111111111111111
00010000000111100001000000000000111111111111111111000000000000000000111122222222011110000111111000011111111111111110000000000000000111111111111222222222222111111111100000000001111111111111111222222222222222222222222111122111111122222222
00100000111000100010000111111111000000000111222222000000000111222222000200000012101110111000111111100001111112222220000111111222222000000111222000000111222111122222211112222220000111222222222000000111111111222222222111212111222211112222
01000011001001000100111000112222000112222002000012000112222002000012002000001200110111011011001112211220011220011221122001122001122001122002001001122001002122211122212221112221222022000112222111222000112222000111122112112122112211221122
10000101010010001000122122020012122020012020001200122020012020001200020000120000111011101101010121212121202011201021212120201120102120201020010120102010020212212211221221221122122202122020012122112122020012112001201121112212121212121212
00000110100100010000212212201200212201200200120000212201200200120000200012000000111101110110100211221122120101210202112212010121020212010200100121020100200221221212122122121212212220212201200212121212201200121120010211112221211221121221

by truncation of 237