The generator matrix

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

generates a code of length 91 over Z8 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+90x^84+250x^85+314x^86+392x^87+409x^88+322x^89+323x^90+342x^91+268x^92+250x^93+256x^94+214x^95+164x^96+118x^97+94x^98+70x^99+77x^100+32x^101+30x^102+34x^103+14x^104+16x^105+7x^106+4x^107+1x^108+4x^109

The gray image is a code over GF(2) with n=364, k=12 and d=168.
This code was found by Heurico 1.16 in 1.21 seconds.