The generator matrix

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

generates a code of length 71 over Z2[X]/(X^2) who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+216x^60+516x^62+744x^64+832x^66+941x^68+954x^70+892x^72+922x^74+760x^76+586x^78+431x^80+254x^82+96x^84+32x^86+12x^88+2x^92+1x^100

The gray image is a linear code over GF(2) with n=142, k=13 and d=60.
This code was found by Heurico 1.16 in 11.3 seconds.