length n = 248
dimension k = 7
alphabet length q = 3

minimum distance d = 158

generator matrix:
00000000000000110000000000000000000000001111111111111111000000000000000000000000000000001111111111111111111111111111111111111111111111110000000000000000111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
00000000000011000000000000001111111111110000000000001122000000001111111111111111111111110000000000000000000000001111111111112222222222221111111111111111000000000000000011111111111111111111111122222222222222222222222211111111111111112222222222222222
00000000001100000000111111110000000011220000000011220000111111110000000011111111222222220000000011111111222222220000000011220000000011221111111122222222111111112222222200000000111111112222222200000000111111112222222211111111222222221111111122222222
00000000110000001111000011220000112200000000112200000000111122221111222200001122000011221111222200001122000011220000112200000000112200001111222211112222111122221111222211112222000011220000112211112222000011220000112211112222111122221111222211112222
00000011000000001122112200001122000000001122000000000000112211221122112211220000112200001122112211220000112200001122000000001122000000001122112211221122112211221122112211221122112200001122000011221122112200001122000011221122112211221122112211221122
11111100000000001212121212121212121212121212121212121212121212121212121212121212121212121212121212121212121212121212121212121212121212120000000000000000000000000000000000000000000000000000000000000000000000000000000012121212121212121212121212121212
01111112121212122121212121212121212121212121212121212121000000000000000000000000000000000000000000000000000000000000000000000000000000001212121212121212121212121212121212121212121212121212121212121212121212121212121221212121212121212121212121212121

projective group of automorphisms generated by:
0000100
0100000
1000000
0001000
0010000
0000010
0000001

1000000
0100000
0010000
0002000
0000100
0000010
0000001

0000100
1000000
0001000
0100000
0010000
0000010
0000001

0010000
1000000
0001000
0100000
0000100
0000010
0000001