length n = 46
dimension k = 5
alphabet length q = 7

minimum distance d = 34

generator matrix:
0001111111111111111111000000111111111111111111
1110000222233344445555111111000001111222555556
5660026146645501661156011466001231356356034454
0251654230561426043642214246450430615313651460
1512215345215166344423546126212266522632156122

by truncation of 47