The generator matrix

 1  0  1  1  1  4  2  1  1  1  6  1  1  1  6  1  1  6  1  1  4  1  1  4  1  1  4  1  1  4  0  1  1  1  6  1  2  1  4  1  1  6  1  6  1  1  1  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  1  1  1  2  1  1  1  2  1  1  2  1  1  1  1  2  4  1
 0  1  1  6  3  1  1  3  4  5  1  2  4  3  1  6  7  1  4  1  1  6  1  1  0  7  1  6  1  1  1  4  7  2  1  1  1  0  1  0  2  1  2  1  7  5  7  2  5  7  1  7  5  3  5  3  5  5  5  7  3  3  1  7  5  0  0  2  6  4  0  0  2  2  6  2  6  2  3  1  3  7  4  2  0
 0  0  2  0  6  2  2  4  2  4  0  2  6  4  0  0  2  6  0  6  0  6  4  6  0  2  2  0  2  6  0  6  4  6  0  4  2  0  0  2  0  6  2  0  4  4  2  4  2  6  6  2  6  0  4  0  4  6  2  6  6  4  0  4  0  4  6  6  2  4  4  6  0  0  6  4  2  2  2  6  6  2  2  4  0
 0  0  0  4  0  4  4  4  0  4  0  4  0  0  4  4  4  0  0  4  4  4  0  0  4  0  0  0  4  4  0  4  0  0  0  4  0  4  4  4  0  4  0  4  4  0  0  4  4  0  4  4  0  0  0  4  4  0  0  4  4  4  4  0  0  4  4  4  0  0  0  0  4  0  0  4  4  0  4  0  0  4  0  4  0
 0  0  0  0  4  4  0  0  4  4  4  4  0  4  4  4  0  0  4  4  0  0  0  4  4  0  0  4  0  0  4  4  4  4  0  4  4  0  4  0  0  4  0  0  0  0  4  4  4  0  0  4  4  0  4  4  0  0  4  4  0  4  0  0  4  0  4  4  0  4  4  4  4  4  0  0  4  4  0  0  0  4  4  0  0

generates a code of length 85 over Z8 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+70x^80+138x^81+101x^82+110x^83+102x^84+76x^85+90x^86+96x^87+70x^88+44x^89+58x^90+22x^91+8x^92+12x^93+4x^94+12x^95+4x^96+1x^104+2x^113+2x^114+1x^122

The gray image is a code over GF(2) with n=340, k=10 and d=160.
This code was found by Heurico 1.16 in 0.349 seconds.