The generator matrix

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

generates a code of length 70 over Z2[X]/(X^2) who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+92x^64+48x^66+125x^68+42x^70+85x^72+30x^74+56x^76+6x^78+14x^80+2x^82+3x^84+4x^88+3x^96+1x^104

The gray image is a linear code over GF(2) with n=140, k=9 and d=64.
This code was found by Heurico 1.16 in 4.03 seconds.