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

generates a code of length 88 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+142x^76+8x^78+209x^80+60x^82+274x^84+202x^86+1024x^87+361x^88+1024x^89+168x^90+237x^92+60x^94+141x^96+12x^98+100x^100+2x^102+49x^104+15x^108+6x^112+1x^144

The gray image is a code over GF(2) with n=352, k=12 and d=152.
This code was found by Heurico 1.16 in 4.57 seconds.