The generator matrix

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

generates a code of length 91 over Z8 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+160x^81+562x^82+914x^83+1436x^84+1368x^85+1823x^86+1986x^87+2518x^88+2166x^89+2552x^90+2316x^91+2514x^92+2314x^93+2131x^94+1834x^95+1963x^96+1190x^97+1117x^98+644x^99+508x^100+314x^101+214x^102+100x^103+48x^104+36x^105+17x^106+14x^107+2x^108+4x^109+2x^112

The gray image is a code over GF(2) with n=364, k=15 and d=162.
This code was found by Heurico 1.11 in 21.8 seconds.