length n = 40
dimension k = 6
alphabet length q = 4

minimum distance d = 26

generator matrix:
0001111111111111111000001111111111111111
1110001112222222333011110000111122223333
0220330221112333033101120111022300132233
1011330230112012023222302013312302210103
3113033003130330332131222332311131230221
1311221210221122322202021221111103302301

by truncation of 41