The generator matrix

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

generates a code of length 85 over Z8 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+143x^74+64x^75+381x^76+224x^77+569x^78+620x^79+782x^80+1028x^81+1048x^82+1384x^83+1241x^84+1608x^85+1237x^86+1312x^87+1052x^88+1008x^89+722x^90+664x^91+449x^92+216x^93+292x^94+52x^95+138x^96+12x^97+68x^98+40x^100+10x^102+10x^104+3x^106+3x^110+1x^112+1x^116+1x^118

The gray image is a code over GF(2) with n=340, k=14 and d=148.
This code was found by Heurico 1.16 in 17.4 seconds.