The generator matrix

 1  0  1  1  1 X^3+X^2+X  1  1  X  1  1 X^3+X^2  1  1 X^3  1  1 X^2+X  1  1 X^2  1  1 X^3+X  1  1  0  1  1 X^3+X^2+X  1  1  X  1  1 X^3+X^2  1  1  1  1  1  1  1  1  0 X^3+X^2+X X^3+X^2  X  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
 0  1 X+1 X^3+X^2+X X^2+1  1  X X^2+X+1  1 X^3+X^2 X^3+1  1 X^3 X+1  1 X^2+X X^3+X^2+1  1 X^3+X X^3+X^2+X+1  1 X^2  1  1  0 X+1  1 X^3+X^2+X  1  1 X^3+X^2 X^3+X^2+X+1  1  X X^3+X^2+1  1 X^3 X^2+X X^2 X^3+X X+1 X^2+1 X^3+X^2+X+1  1  1  1  1  1 X^3 X^2+X X^2 X^3+X  0 X^3+X^2+X X^3+X^2  X X^3 X^2+X X^2 X^3+X  0 X^3+X^2+X X^3+X^2  X X^3+X+1 X^3+X^2+1 X^3+X+1 X^3+X^2+1 X^2+X+1 X^3+1 X^2+X+1 X^2+X+1 X^2+1 X^3+1 X^3+X^2+X+1 X^2+1 X^3+X+1
 0  0 X^2 X^3+X^2 X^3 X^2 X^2 X^3+X^2 X^3+X^2 X^3  0 X^3 X^2  0 X^2  0 X^2  0 X^3 X^3 X^3+X^2 X^3+X^2 X^3+X^2 X^3 X^3 X^3 X^3 X^2 X^2 X^3+X^2  0  0 X^2 X^3+X^2 X^3+X^2  0 X^3+X^2 X^3 X^2  0 X^3+X^2  0 X^2 X^3 X^3+X^2 X^3 X^2  0 X^3 X^3+X^2  0 X^2 X^3+X^2 X^3 X^2  0  0 X^2 X^3 X^3+X^2 X^2  0 X^3+X^2 X^3 X^2 X^3 X^3+X^2  0 X^3 X^3+X^2  0 X^2 X^2 X^3 X^3+X^2 X^3+X^2 X^3

generates a code of length 77 over Z2[X]/(X^4) who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+148x^75+94x^76+536x^77+94x^78+148x^79+1x^90+1x^96+1x^122

The gray image is a linear code over GF(2) with n=616, k=10 and d=300.
This code was found by Heurico 1.16 in 0.359 seconds.