length n = 189
dimension k = 6
alphabet length q = 4

minimum distance d = 136

generator matrix:
000001111111111111111000001111111111111111000001111111111111111000001111111111111111000001111111111111111000001111111111111111000001111111111111111000000000111111111111011111111111111111111
000110000001122333333000110000001122222233001110001112223333333000110011111122222233011110000111122223333011110000111122223333111110111112222233333111111111000001222223100000000011111222223
011330011130213022233011120012331100122323010000230011220011122001010312222301223333101130233012201130123100330012000302230113011221001220233301123011222333011122001220000111233301122111230
001130200102300311302112300020110123213233100003010202332200323113321300133233010101030033212110212231201012011330013130323232002222011112303321110123033222313311222132212123201323312223212
101131200133013222103031202302232221211003010132231112020223320233110123002211120201013332321133110002230231112100132120022011031023031231302320133221103233121102020120331332200210112130032
333233303003132101101033033031300122313233212111221022000123101231113022002110201112020312103020200113300100201100000203222223020212221133333030310132201201300113012223323013331010202123120

projective group of automorphisms generated by:
202132
012212
223111
220232
321211
310323