length n = 47
dimension k = 5
alphabet length q = 7

minimum distance d = 35

generator matrix:
00001111111111111111111000000111111111111111111
01110000222233344445555111111000001111222555556
15660026146645501661156011466001231356356034454
60251654230561426043642214246450430615313651460
41512215345215166344423546126212266522632156122

by truncation of 48