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

generates a code of length 94 over Z8 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+70x^80+162x^84+44x^86+251x^88+64x^89+112x^90+320x^91+354x^92+640x^93+200x^94+640x^95+276x^96+320x^97+112x^98+64x^99+190x^100+44x^102+99x^104+78x^108+33x^112+16x^116+5x^120+1x^152

The gray image is a code over GF(2) with n=376, k=12 and d=160.
This code was found by Heurico 1.16 in 2.56 seconds.