The generator matrix

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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+92x^74+318x^75+433x^76+588x^77+637x^78+708x^79+580x^80+736x^81+593x^82+662x^83+463x^84+480x^85+415x^86+390x^87+377x^88+270x^89+145x^90+108x^91+76x^92+58x^93+20x^94+22x^95+6x^96+10x^97+2x^98+2x^101

The gray image is a code over GF(2) with n=328, k=13 and d=148.
This code was found by Heurico 1.11 in 1.84 seconds.