The generator matrix

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

generates a code of length 85 over Z2[X]/(X^2) who´s minimum homogenous weight is 70.

Homogenous weight enumerator: w(x)=1x^0+61x^70+76x^71+196x^72+236x^73+336x^74+406x^75+496x^76+522x^77+609x^78+630x^79+720x^80+792x^81+837x^82+918x^83+850x^84+946x^85+877x^86+926x^87+845x^88+910x^89+742x^90+730x^91+611x^92+480x^93+428x^94+314x^95+264x^96+172x^97+155x^98+90x^99+88x^100+34x^101+40x^102+6x^103+21x^104+2x^105+8x^106+3x^108+2x^109+1x^110+2x^114+1x^128

The gray image is a linear code over GF(2) with n=170, k=14 and d=70.
This code was found by Heurico 1.16 in 55.5 seconds.