The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  1  0  1  1  1  1  2  1  0  1  1  4  1  0  1  0  1  1  1  1  0  4  0  1  1  0  1  1  1
 0  2  0  0  0  2  6  2  4  0  0  4  2  6  6  6  4  4  6  0  6  6  6  0  0  2  6  4  6  0  2  4  4  2  6  0  0  4  4  0  6  6  0  0  6  6  4  2  2  4  0  6  6  0  2  4  4  0  2  4  2  4  0  2  0  2  6  2  2  4  2  0  0  2  6  4  0  0  4  2  4  6  0  4  2  0  6  2  4  4  4
 0  0  2  0  2  2  2  4  6  2  0  0  6  4  6  0  0  4  2  2  4  0  2  2  6  0  6  2  6  0  4  4  0  0  2  2  0  2  4  6  6  0  2  4  4  2  2  4  2  6  4  6  4  0  4  6  2  4  2  2  6  0  2  4  0  0  6  2  2  6  2  4  2  0  4  2  6  0  2  4  0  0  2  2  4  4  6  0  4  6  0
 0  0  0  2  2  0  2  6  2  4  0  2  4  0  2  6  6  4  0  0  0  6  6  6  2  2  2  4  4  4  0  2  2  2  6  4  6  6  0  0  2  0  2  0  6  4  2  4  4  0  6  6  4  0  0  6  0  6  0  4  2  0  0  4  2  6  2  6  0  6  2  0  4  6  4  4  0  2  2  2  6  2  4  6  6  6  6  2  4  6  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  0  4  4  4  0  0  0  4  0  4  4  4  0  0  4  4  0  4  0  4  4  4  4  0  4  4  0  4  0  0  4  0  0  4  0  0  0  4  4  0  4  0  4  0  4  0  0  4  0  4  4  4  0  4  4  4  0  4  0  4  4  0  0  0  0  0  4  0  0  4  4
 0  0  0  0  0  4  4  0  4  4  4  4  4  0  0  4  4  0  0  0  4  0  4  4  0  4  0  4  0  4  4  0  0  0  0  4  4  0  0  0  4  0  4  4  0  0  4  4  0  4  0  0  0  4  4  0  4  4  4  0  0  0  4  4  0  4  4  0  4  0  4  0  0  4  4  4  0  0  0  0  0  0  4  0  0  4  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+243x^84+28x^86+440x^88+312x^90+493x^92+172x^94+224x^96+101x^100+28x^104+3x^108+2x^112+1x^160

The gray image is a code over GF(2) with n=364, k=11 and d=168.
This code was found by Heurico 1.16 in 30.5 seconds.