The generator matrix

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

generates a code of length 71 over Z2[X]/(X^2) who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+78x^66+139x^68+96x^70+67x^72+44x^74+29x^76+30x^78+11x^80+2x^82+1x^84+1x^88+4x^90+7x^92+2x^94

The gray image is a linear code over GF(2) with n=142, k=9 and d=66.
This code was found by Heurico 1.10 in 0.031 seconds.