length n = 75
dimension k = 6
alphabet length q = 5

minimum distance d = 53

generator matrix:
000011111000000000011111111111111111111000001111111111111111111111111111111
011100011001111111100000000112223334444111110000011112222223333334444111123
100100101110022334400223344340020010014122331223302240011340023341234111213
111001100341104240334020114003400240230324144142330332322041210410032112113
001111000433420014111402430000434203002414233241433034203224121103200121113
110010010114334202043432002432001001400332213322142204130103204033412211113

by truncation of 76