The generator matrix

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

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+30x^64+44x^65+45x^66+70x^67+48x^68+50x^69+46x^70+30x^71+29x^72+14x^73+24x^74+14x^75+8x^76+12x^77+7x^78+10x^79+4x^80+4x^81+1x^82+4x^83+6x^84+2x^85+3x^86+2x^88+2x^89+2x^94

The gray image is a linear code over GF(2) with n=140, k=9 and d=64.
This code was found by an older version of Heurico in 0 seconds.