The generator matrix
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X X X X X X X X X X X X X X X 1 1 1 1 1 1 1 1 1 1 2X+2 2X+2 2X+2 1 2X+2 1 2X+2 1 2X+2 2X+2 2X+2 2X+2 2X+2 2X+2 2X+2 2X+2 2X+2 2X+2
0 2X 0 0 0 0 0 0 0 2X 2X 2X 2X 2X 2X 2X 0 0 0 0 0 0 0 0 2X 2X 2X 2X 2X 2X 2X 2X 0 0 0 0 2X 2X 2X 2X 0 0 2X 2X 0 2X 2X 0 0 0 0 0 0 0 0 2X 2X 2X 2X 2X 2X 2X 2X 0 2X 0 0 2X 2X 0 2X 2X 0 0 0
0 0 2X 0 0 0 2X 2X 2X 2X 2X 0 2X 2X 0 0 0 0 0 0 2X 2X 2X 2X 2X 2X 2X 2X 0 0 0 0 0 0 2X 2X 2X 2X 0 0 0 2X 2X 0 2X 2X 0 0 0 0 0 2X 2X 2X 2X 2X 2X 2X 2X 2X 0 2X 0 2X 2X 2X 0 0 0 0 0 0 0 2X 2X
0 0 0 2X 0 2X 2X 2X 0 0 0 0 2X 2X 2X 2X 0 0 2X 2X 2X 2X 0 0 0 0 2X 2X 2X 2X 0 0 0 2X 2X 0 0 2X 2X 0 2X 2X 0 0 0 2X 2X 0 0 2X 2X 2X 2X 0 0 0 0 0 0 2X 2X 2X 2X 0 2X 0 2X 2X 0 2X 2X 0 0 2X 2X
0 0 0 0 2X 2X 0 2X 2X 0 2X 2X 2X 0 0 2X 0 2X 2X 0 0 2X 2X 0 0 2X 2X 0 0 2X 2X 0 2X 2X 0 0 0 0 2X 2X 0 2X 2X 0 2X 2X 0 0 2X 2X 0 0 2X 2X 0 0 2X 0 2X 2X 0 0 2X 2X 2X 0 2X 0 0 0 2X 2X 2X 0 2X
generates a code of length 75 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 74.
Homogenous weight enumerator: w(x)=1x^0+63x^74+160x^75+12x^76+12x^78+3x^80+5x^90
The gray image is a code over GF(2) with n=600, k=8 and d=296.
This code was found by Heurico 1.16 in 0.39 seconds.