The generator matrix

 1  0  1  1  1  0  1  1  X  1  1  X  1  1  0  1  1  0  1  1  X  1  1  X  1  1  0  1  1  0  1  1  1  1  X  X  X  X  0  0  1  1  1  1  0  X  1  1  1  1  0  X  X  X  0  X  X  0  0  1  1  1  1  0  X  1  1  1  1  X  X  0  0  X  1  1  1
 0  1  1  0 X+1  1  X X+1  1  X  1  1  0 X+1  1  0 X+1  1  X  1  1  X  1  1  0 X+1  1  0 X+1  1  X  X  1  1  1  1  0  X  X  0  0  X X+1  1  1  1  0  X X+1  1  1  1  0  X  X  0  X  X  0  0  X X+1  1  1  1  0  X X+1  1  0  X  X  1  1  0  0  X
 0  0  X  X  0  X  X  X  X  0  0  0  0  0  X  X  X  0  X  X  X  0  0  0  0  0  X  X  X  0  X  0  X  0  X  0  X  X  X  X  0  0  0  0  X  X  X  X  X  X  0  0  0  0  0  X  X  X  X  0  0  0  0  X  X  X  X  X  X  0  0  0  0  0  0  X  X

generates a code of length 77 over Z2[X]/(X^2) who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+6x^78+16x^79+7x^80+2x^86

The gray image is a linear code over GF(2) with n=154, k=5 and d=78.
This code was found by Heurico 1.16 in 0.102 seconds.