length n = 171
dimension k = 6
alphabet length q = 4

minimum distance d = 122

generator matrix:
000000000000000111111111111111000000000000000111111111111111000000000011111111111111111111000001111111111111111111111111111111111111111111111111111111111111111111111111111
000000111111111000000000112233000000111111111000000000112233001111111100000000111111222333111110000011111111222222333333111123111111122223333111122222222333333331223312233
111111000000123000000123020103111111000000123000000123030201110011112300111123000033022011111231112300023333012222011113111321111233312221113223311223333112222332132332312
000123112233000000123213000000000123112233000000123321000000122301132012003321011301002100123232332112320113100122100331113121133211321221131232333131223221233123231223132
123213020103000123000000201030123321030201000123000000302010322110310112130101303000220101321112131132303030222201113011131121313213122121311332223313132232312212313233221
213000201030213213213000000000321000302010321321321000000000122133002132311020130110200010323212312332121301221010331100311121331231122213111323232332311323121223322121323

projective group of automorphisms generated by:
010000
000010
000100
000001
100000
001000

000100
000010
001000
100000
010000
000001