length n = 55
dimension k = 7
alphabet length q = 3

minimum distance d = 31

generator matrix:
0000010000000000001111111111111111000000111111111111111
0000100000111111110000000011111111011111000001111112222
0001001111000011110000111100001111101111011110000221122
0010000111011100110111001100110001220112201120112010102
0100001011101101011011110001010010221021221101021100120
1000001101110110101101010111000100221201210212110011020
0000001110111011001110101010101000222110212011201101002

by truncation of 56