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  4  2  4  2  0  1  2  0  1  1  2  4  1  1  1  1  2  2  1  1  4  0  1  1  1  1  1  4  0  4  1  1  2  4  1  2  1  0  4  2  2  1  1  0  1  1  1  4  2  1  2  2  4
 0  2  0  0  0  0  0  0  0  2  2  6  2  2  6  4  4  0  6  4  2  6  4  6  6  0  2  0  6  6  2  6  2  2  4  2  6  0  2  2  4  2  2  4  2  4  2  6  2  6  0  0  4  0  0  2  4  6  6  4  4  6  4  0  4  2  4  0  4  0  0  2  2  4  0  6  4  2  2  4  0  4  2  2  0  6  4  4  2  6  0  4  2  6  0  4  2
 0  0  2  0  0  0  2  6  2  4  2  2  0  2  2  4  6  6  4  2  2  2  6  4  2  0  4  4  2  0  4  6  6  0  0  0  6  0  0  6  4  0  2  0  4  6  0  0  4  6  4  2  0  4  4  6  6  0  6  0  0  6  4  6  0  6  2  2  0  2  0  0  4  2  6  6  6  0  4  4  2  0  4  4  6  4  0  2  0  4  6  2  6  2  6  2  0
 0  0  0  2  0  2  2  2  4  4  4  4  6  2  2  6  2  0  6  0  4  0  6  6  6  4  0  6  2  4  2  0  2  2  0  0  4  0  6  2  6  0  0  2  2  4  4  4  0  6  6  2  0  0  0  0  6  6  0  6  6  4  6  2  2  6  4  4  4  6  6  4  0  0  0  4  6  0  6  2  0  4  0  0  4  0  2  2  2  4  6  0  2  4  4  2  2
 0  0  0  0  2  2  0  2  6  2  0  2  4  2  0  6  0  6  2  4  4  6  6  4  2  6  4  4  4  6  6  4  2  4  4  0  0  2  2  0  0  6  2  6  0  2  2  4  0  4  6  2  2  4  2  0  0  2  6  6  2  0  4  6  2  2  2  6  0  6  0  0  6  0  0  2  0  0  4  4  6  2  0  0  4  4  0  4  2  0  4  4  2  0  2  6  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  0  4  4  4  4  4  4  4  4  4  0  4  4  0  4  4  0  0  4  0  4  4  4  0  4  0  0  0  4  0  4  0  0  0  0  0  0  4  4  4  0  4  0  4  0  0  0  4  0  4  0  0  0  4  4  0  4  0  0  4  0  0  4  4  0  4  4  4  4  0  0  4  0  0  4  0  4  0  0  0  4  4
 0  0  0  0  0  0  4  4  0  0  0  0  0  0  4  4  0  4  4  4  0  0  4  0  4  4  4  4  0  4  0  4  4  4  4  0  4  0  4  0  4  4  4  4  0  4  0  4  0  4  0  4  4  0  4  4  4  0  0  0  0  4  0  0  0  0  0  4  4  4  0  0  4  0  0  4  0  4  0  4  4  0  0  4  4  0  4  4  0  0  0  4  0  0  0  0  0

generates a code of length 97 over Z8 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+154x^86+4x^87+375x^88+36x^89+489x^90+168x^91+605x^92+224x^93+798x^94+400x^95+856x^96+352x^97+749x^98+448x^99+642x^100+240x^101+475x^102+124x^103+371x^104+44x^105+252x^106+8x^107+160x^108+117x^110+52x^112+34x^114+5x^116+4x^118+4x^120+1x^136

The gray image is a code over GF(2) with n=388, k=13 and d=172.
This code was found by Heurico 1.16 in 7.7 seconds.