length n = 71
dimension k = 7
alphabet length q = 4

minimum distance d = 46

generator matrix:
00000010000000000001111111111111111111111111111110011111111111111111111
00000100011111111110000000000111111112222223333331100111122233311111123
00001001100111122330011112233000022230011120013332323112301201311111213
00010001223012301331300231233012200100102211300131111232321031011112113
00100003113221322001312230011321201032200110033001123002312113111121113
01000003213122010132121031103320022001121003130302323231120130111211113
10000003121200311312322102130302110231010003301012311230012213312111113

projective group of automorphisms generated by:
0000010
0000100
0010000
0000001
0100000
1000000
0001000

0000010
0000001
0001000
0100000
0000100
0010000
1000000