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

generates a code of length 90 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+69x^76+164x^80+48x^82+260x^84+118x^86+256x^87+333x^88+768x^89+184x^90+768x^91+288x^92+256x^93+116x^94+192x^96+40x^98+92x^100+6x^102+79x^104+39x^108+14x^112+4x^116+1x^144

The gray image is a code over GF(2) with n=360, k=12 and d=152.
This code was found by Heurico 1.16 in 2.38 seconds.