length n = 239
dimension k = 6
alphabet length q = 4

minimum distance d = 173

generator matrix:
00000000000001111111111111110000000000111111111100000111110000000000000001111111111111110000000000111111111111111111110000000000111111111111111111110111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
00001111111110000000001122330000111111000000223300111000110000001111111110000000001122330011111111000000001111112223330011111111000000001122222333331011111111111222233331111222333111111112222222222233333333333111122222222333333331223312233
01110001122330001122330000000011002233002233000011001001011111110000001230000001230302011100112233001122330011120010031100222333002223332300012000131101111112333122211131233122113111223331122233333311122222233223311223333112222332132332312
11231230000000000201030201031123230000000302030201011110000001230001233211122330000000001212110103110211030200201100332323012013110330220003303022021110111332113212211312213211133223232232311211123322311123333232323331123231123223322121323
30002130201031232010300000002300320302233020000011100010101233211230000000302010003020101121021033122001331102010103001132303202233032023220100301001111013132131221213112133212311232111333213312332323212321212332232132331322312122313233221
32130002010302130000002010303232003020320000302010110101003210003213210003020103210000002111201130211110302020001013303211330220322103100033030220201111103312311222131112231121331322322321131321322113321333221323233313212223231213231223132

by truncation of 240