length n = 40
dimension k = 8
alphabet length q = 4

minimum distance d = 13

generator matrix:
0000000000000000000000000111111111111111
0000000000000000000000111000123111222333
0001111111111111111111000000000000000000
0010111111222222333333000000000000000000
0100112233112233112233000000000000000000
1000231213132312121323000000000000000000
0000000000000000000000123123000123123123
0000232332211212311331000000000000000000

projective group of automorphisms generated by:
01000000
00000010
00001000
00000100
00010000
00100000
10000000
00000001

10000000
02000000
00200000
00030000
00003000
00000200
00000010
00000001