The generator matrix

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

generates a code of length 89 over Z8 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+144x^81+246x^82+524x^83+513x^84+680x^85+625x^86+780x^87+581x^88+680x^89+506x^90+632x^91+418x^92+448x^93+264x^94+364x^95+205x^96+188x^97+138x^98+116x^99+61x^100+32x^101+11x^102+16x^103+7x^104+4x^105+2x^106+4x^108+2x^112

The gray image is a code over GF(2) with n=356, k=13 and d=162.
This code was found by Heurico 1.16 in 3.08 seconds.