The generator matrix

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

generates a code of length 71 over Z2[X]/(X^2) who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+97x^64+174x^66+195x^68+132x^70+119x^72+64x^74+73x^76+54x^78+58x^80+16x^82+27x^84+6x^86+5x^88+2x^90+1x^92

The gray image is a linear code over GF(2) with n=142, k=10 and d=64.
This code was found by Heurico 1.16 in 0.225 seconds.