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

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

Homogenous weight enumerator: w(x)=1x^0+89x^86+179x^88+12x^89+195x^90+48x^91+293x^92+112x^93+347x^94+208x^95+468x^96+264x^97+471x^98+208x^99+337x^100+112x^101+261x^102+48x^103+174x^104+12x^105+127x^106+57x^108+26x^110+13x^112+13x^114+6x^116+4x^118+5x^120+2x^122+2x^124+1x^126+1x^148

The gray image is a code over GF(2) with n=388, k=12 and d=172.
This code was found by Heurico 1.16 in 2.63 seconds.