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  2  1  2  1  2  1  1  1  1  1  1  1  1  2  1  2  1  1  1  2  2  1  1  1  2  1  1  4  1  1  1  2  1  1  1  2  2  1  4  2  1  2  1  1  1  2  1  1  2  1  1  1
 0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  0  0  0  4  4  4  0  4  4  0  0  4  0  0  4  4  0  4  4  4  4  0  0  4  4  0  4  4  4  4  4  0  0  0  0  0  4  4  0  0  4  0  4  4  0  0  4  4  0  4  0  0  4  4  4  0  4  0  0  4  0  4  0  4  0  4  4  0  0  0  4  4  4  4  0
 0  0  4  0  0  0  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  0  0  0  0  0  0  0  0  4  0  4  4  4  4  4  4  4  0  4  0  0  4  4  4  0  0  0  0  0  4  4  4  4  0  0  4  4  0  4  0  0  4  4  0  0  4  0  4  0  0  4  0  0  0  4  4  4  0  4  4  0  0  0  4  4  4  0  0  0  4  0  4  4  4  4  4
 0  0  0  4  0  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  4  0  0  4  4  4  4  4  4  0  4  0  4  4  0  4  0  0  0  0  0  0  4  0  0  0  4  0  4  0  4  4  0  0  4  4  0  4  4  4  4  0  4  0  0  0  4  0  4  0  0  0  0  0  4  0  0  0  4  0  0  4  4  0  0  0  0  0  4  0  4  0  4  4  4  4
 0  0  0  0  4  0  0  0  0  0  0  4  0  4  4  0  4  4  4  0  4  0  4  0  4  0  0  4  0  4  0  0  0  0  0  4  4  0  0  4  0  0  0  4  4  4  4  4  0  4  4  0  4  0  4  4  0  4  4  4  4  0  0  0  0  4  0  0  0  0  4  0  4  4  0  0  0  4  0  0  4  4  0  4  4  0  4  0  0  4  0  0  4  4  0  0  0
 0  0  0  0  0  4  0  0  0  0  0  4  0  0  4  4  4  4  4  0  0  4  4  0  0  0  4  0  0  0  4  4  0  4  4  0  4  4  4  4  0  4  0  4  0  0  4  0  4  4  0  0  4  0  4  4  4  4  0  0  0  0  0  0  0  0  4  4  4  0  4  0  4  0  0  4  4  0  4  0  0  0  0  0  4  4  0  0  0  4  0  4  4  0  4  0  0
 0  0  0  0  0  0  4  0  0  0  4  0  0  0  4  4  0  0  4  0  0  4  4  0  4  4  4  0  4  4  4  0  0  0  0  4  4  0  4  0  4  0  0  4  4  0  4  0  0  0  4  4  0  0  4  0  4  0  4  4  4  0  0  0  4  0  0  4  4  4  0  0  4  0  4  0  4  0  4  4  4  0  0  4  4  0  4  0  4  4  4  4  4  4  4  0  4
 0  0  0  0  0  0  0  4  0  0  4  0  0  4  0  0  4  0  0  4  0  4  4  4  0  4  0  4  4  4  0  4  4  0  4  0  0  4  0  4  4  0  0  0  0  4  4  4  0  0  4  4  0  4  0  0  4  0  4  4  0  0  0  4  0  0  4  4  0  0  4  0  0  4  4  4  4  0  4  4  4  0  4  0  0  4  0  4  4  4  0  0  4  4  4  0  0
 0  0  0  0  0  0  0  0  4  0  4  4  4  4  0  0  0  0  4  0  0  0  0  4  4  0  0  4  4  0  4  0  4  0  0  4  0  0  4  4  4  0  0  4  4  0  0  0  4  4  4  0  4  0  0  0  4  4  0  4  4  4  4  0  4  0  4  0  4  0  0  4  0  4  0  0  4  0  4  0  0  4  0  0  4  0  4  4  4  0  4  4  4  4  0  0  0
 0  0  0  0  0  0  0  0  0  4  4  4  4  0  0  4  4  4  4  4  0  4  4  4  4  0  4  0  4  4  4  0  4  0  4  0  4  0  0  4  4  0  4  4  4  0  4  4  4  4  4  0  0  4  4  0  0  4  4  4  4  4  4  4  0  4  4  4  4  4  4  0  4  4  0  4  0  4  4  4  4  4  0  4  0  4  4  4  0  0  4  4  4  0  0  0  0

generates a code of length 97 over Z8 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+91x^84+223x^88+54x^90+268x^92+162x^94+512x^95+309x^96+1024x^97+180x^98+512x^99+264x^100+92x^102+178x^104+22x^106+106x^108+2x^110+48x^112+37x^116+7x^120+2x^124+1x^128+1x^160

The gray image is a code over GF(2) with n=388, k=12 and d=168.
This code was found by Heurico 1.16 in 2.75 seconds.