length n = 49
dimension k = 6
alphabet length q = 4

minimum distance d = 32

generator matrix:
0000000111111111111111111111111111111111111111111
1111111000000000011111111111111122222223333333333
0012233000122223300011112222333300222230011222333
2212213023312223322202230023022302023312302123033
0320222323020122302200321122203230131220101323203
2203223122232113220331010112210101312301220021313

by truncation of 50