length n = 39
dimension k = 6
alphabet length q = 3

minimum distance d = 23

generator matrix:
000100001111110000111111011111111111111
001001110001220111000122101111112211122
010010120122001012012200110111121211212
100021202020012120202001111011211212112
000012212212122112112121000001111222221
000022021200202202120020111102111221112

by truncation of 40