length n = 23
dimension k = 7
alphabet length q = 3

minimum distance d = 11

generator matrix:
00011111111111111111111
11100000011111122222222
01201122201122200000122
02010100211200200012101
12221212012201102220202
01100121211000021211222
10210112222002121111212

by truncation of 24