The generator matrix

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

generates a code of length 99 over Z8 who´s minimum homogenous weight is 89.

Homogenous weight enumerator: w(x)=1x^0+364x^89+580x^90+986x^91+1310x^92+1656x^93+1832x^94+2008x^95+2074x^96+2414x^97+2356x^98+2360x^99+2247x^100+2248x^101+1971x^102+1942x^103+1571x^104+1502x^105+1054x^106+874x^107+564x^108+328x^109+199x^110+150x^111+68x^112+44x^113+40x^114+10x^115+5x^116+4x^117+4x^119+2x^123

The gray image is a code over GF(2) with n=396, k=15 and d=178.
This code was found by Heurico 1.11 in 45.9 seconds.