length n = 38
dimension k = 7
alphabet length q = 3

minimum distance d = 20

generator matrix:
00000000000001111111111110000111111111
00000111111110011222222220001000011112
01111000000222211111122220112001201221
10022001122000000002200111012120020121
12211110022222211112222111112110002110
02200001100000011110022221202020120211
20201120112120212020102020202001220001

by truncation of 39