The generator matrix

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

generates a code of length 85 over Z2[X]/(X^2) who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+45x^74+96x^75+150x^76+210x^77+194x^78+250x^79+256x^80+244x^81+197x^82+172x^83+240x^84+212x^85+212x^86+220x^87+201x^88+178x^89+183x^90+148x^91+127x^92+108x^93+92x^94+92x^95+60x^96+50x^97+51x^98+38x^99+19x^100+22x^101+18x^102+6x^103+2x^104+2x^107

The gray image is a linear code over GF(2) with n=170, k=12 and d=74.
This code was found by Heurico 1.10 in 1.13 seconds.