The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+297x^84+548x^86+729x^88+604x^90+622x^92+514x^94+378x^96+226x^98+89x^100+22x^102+38x^104+2x^106+16x^108+4x^110+4x^112+1x^120+1x^128

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 3.19 seconds.