length n = 62
dimension k = 7
alphabet length q = 2

minimum distance d = 30

generator matrix:
00000100000000000000000000111111111111111000000111111111111111
00001000000000001111111111000000000011111011111000001111111111
00010000001111110000001111000000111100001101111011110000111111
00100001110001110001110001000111000100010110111101110111000111
01000010110110010110010010011001001000100111011110111011011001
10000011011010101010100100101010010001000111101111011101101010
00000011101101001101001000110100100010000111110111101110110100

by truncation of 63