length n = 220
dimension k = 7
alphabet length q = 3

minimum distance d = 142

generator matrix:
0000000000111111111111111000000000001111111111111110000000000011111111111111100000000111111111111111111000000000001111111111111110000011111111111111111111100001111111110000000011111111111111111100000000111111111111111111
0000011111000001111122222000001111110000001111112220000011111100011111122222200011111000001111122222222000011111110111111122222220011100000000011122222222201110001112221111111100000111111112222211111111000001111111122222
0011100012001120002211122001110111220002220001120020001101122211200112200111201102222012220022200011222011101122221000111211111220101200000111102200011222210120120120120001111211222111112220012200011112112221111122200122
0100100121020210121201102010112001021120120120000110112211201102011020102011110210022201221222200101012112210211122012001011222221200200111001210112200001122100212101021221122112002112220120220112211221120021122201202201
1001202211022020010220220112002010011200100010221111220120100122101111200011201200101102111200112222201121122012221122121001001122211002022001220000201011201111112220001001202210122121121122221010012022101221211211222210
0002102002002021210112021102010002112122100022020102010021200110111021001002210102220101122112210021001201212000110110111001010022022021202122101112122012111201202010121121112201001020120201202111211122010010201202012021
0000000000000000000000000000000000000000000000000002212111221121211111222111222121211221112112211211111112112121121222121122121222211221112112212211222221212211221211110000000000000000000000000021222212211222122221121222

by truncation of 221