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  1  1  1  1  1  1  1  1  2  4  4  0  0  4  4  0  2  4  2  2  4  2  1  1  4  4  1  4  0  2  4  2  2  1  0  1  2  2  1  1  0  1  1  0  2  1
 0  2  0  0  0  0  0  0  0  2  2  6  4  6  2  6  2  4  2  4  2  0  6  4  6  6  2  6  0  6  0  0  4  6  6  0  2  4  0  0  6  0  0  0  0  2  6  4  0  4  4  6  2  4  2  2  0  4  4  0  0  2  4  2  0  2  6  4  4  0  6  2  4  0  2  4  6  0  4  2  4  2  4  0  0  4  6  0  6  4
 0  0  2  0  0  0  2  6  2  2  2  4  0  2  4  2  0  2  4  6  2  6  0  6  4  6  6  4  4  6  0  4  4  4  2  4  4  2  2  0  0  2  4  0  2  4  6  2  6  2  4  0  4  2  4  6  2  0  2  0  6  2  6  6  4  0  2  2  0  4  2  2  4  0  0  2  4  2  2  0  4  0  6  2  2  0  2  4  6  2
 0  0  0  2  0  2  2  6  0  0  2  2  4  0  0  2  6  4  4  6  0  2  6  4  6  2  6  6  2  4  4  0  2  6  2  6  4  4  2  0  0  6  2  0  4  4  4  2  4  4  0  4  0  2  6  2  4  2  2  2  4  6  0  4  2  6  6  6  2  4  0  2  2  6  0  6  6  2  4  0  6  4  4  0  6  2  4  0  0  2
 0  0  0  0  2  2  0  6  2  0  2  2  4  2  6  4  4  0  0  2  2  4  6  2  4  0  6  4  2  4  0  2  0  6  6  6  6  0  6  2  6  0  2  4  2  4  2  0  2  0  6  4  6  4  0  4  4  2  0  4  0  6  2  4  4  4  2  2  6  2  6  2  4  6  0  6  6  6  0  6  4  6  4  2  2  0  0  2  2  2
 0  0  0  0  0  4  0  0  0  4  4  0  4  4  4  4  4  4  4  0  4  0  0  4  0  0  0  0  4  0  0  4  0  0  0  4  0  0  4  0  4  0  4  4  0  4  0  4  0  4  4  0  4  4  4  4  4  4  0  0  0  4  0  4  0  4  0  0  0  0  4  4  0  4  4  4  0  0  0  4  4  4  0  4  0  4  4  4  0  4
 0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  4  0  4  0  4  0  0  4  0  0  4  4  4  4  0  0  4  4  0  4  4  0  4  4  0  4  0  4  4  0  4  0  4  4  0  0  4  4  4  0  4  0  4  0  0  4  0  0  4  4  4  0  4  0  0  0  4  4  4  0  4  4  4  4  4  4  0  0  0  0  4  0  4  0
 0  0  0  0  0  0  0  4  0  4  0  4  4  4  4  4  4  4  4  0  4  0  0  4  0  0  0  0  4  0  0  4  0  0  0  0  4  4  4  0  0  4  0  0  4  0  4  0  4  0  0  4  4  0  4  0  4  4  4  4  4  0  4  4  0  0  4  4  0  4  4  4  4  4  0  4  4  4  4  0  4  0  0  0  0  0  0  0  0  4
 0  0  0  0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  0  4  4  4  4  4  0  4  0  4  4  0  4  0  4  0  4  4  4  0  0  0  0  0  4  4  4  4  4  0  0  4  0  4  0  4  4  4  0  0  4  0  0  4  4  4  0  4  4  4  0  4  4  0  0  4  0  4  4  0  0  0  0  0  4  0  0  4  4  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+147x^76+548x^78+16x^79+958x^80+132x^81+1305x^82+292x^83+1891x^84+760x^85+2478x^86+1296x^87+3196x^88+1552x^89+3547x^90+1712x^91+3256x^92+1272x^93+2712x^94+664x^95+1814x^96+364x^97+1092x^98+108x^99+751x^100+16x^101+486x^102+8x^103+230x^104+95x^106+40x^108+24x^110+1x^112+1x^114+2x^116+1x^124

The gray image is a code over GF(2) with n=360, k=15 and d=152.
This code was found by Heurico 1.16 in 96.9 seconds.