length n = 68
dimension k = 4
alphabet length q = 5

minimum distance d = 52

generator matrix:
00010001110001111111110001111111110001111111111111111111111111111111
00100110011110001122331110001122331110001144441144112233112223334444
01001010101231230201031231230302011441440400141414231213241342341234
10001101002132132010303213213020104144144014004114232131424313242143

projective group of automorphisms generated by:
0001
1000
0100
0010

0100
1000
0010
0001