The generator matrix

 1  0  1  1  1  0  1  1  2  1  1  6  1  4  1  1  1  0  1  1  2  1  1  6  1  2  1  0  1  1  0  1  1  1  1  4  1  1  1  1  6  2  1  1  1  1  1  1  0  4  6  1  1  1  0  1  1  6  1  1  0  0  1  1  1  2  1  1  1  2  1  2  2  2  4  2  4  2  2  1  0  1  6  1  2  1  1  1  4  1  1
 0  1  1  0  3  1  2  3  1  6  5  1  3  1  4  7  0  1  2  1  1  5  6  1  1  1  0  1  3  4  1  4  5  2  2  1  6  7  7  6  1  1  4  3  1  7  2  2  1  1  1  0  3  1  1  0  7  1  7  7  2  0  4  3  5  4  2  1  0  1  7  2  6  2  2  1  4  2  2  0  1  0  1  6  1  3  4  3  1  0  0
 0  0  2  6  0  6  2  6  2  0  4  4  4  2  2  6  0  0  2  6  2  0  0  4  2  6  4  4  4  6  4  0  0  2  2  6  0  2  6  0  4  6  6  4  6  2  6  4  0  6  2  0  2  6  2  0  6  4  0  0  6  2  2  2  0  2  0  2  2  4  0  2  2  2  2  2  2  2  6  4  4  6  2  4  0  2  0  0  6  0  0
 0  0  0  4  0  0  0  0  0  0  0  4  4  0  0  0  0  4  0  4  4  0  0  0  0  4  0  4  4  4  0  0  4  0  4  4  0  4  4  4  0  4  4  0  0  0  0  4  4  4  4  0  4  0  0  4  4  0  4  0  0  4  0  0  4  0  4  0  4  0  4  4  0  4  4  0  0  4  4  4  0  4  4  0  4  4  4  0  0  0  0
 0  0  0  0  4  0  0  0  0  0  4  0  4  0  0  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  4  0  4  4  4  0  0  4  4  4  0  4  4  0  0  0  4  0  4  0  4  0  0  4  0  0  4  4  0  0  0  4  0  4  0  4  4  0  4  4  4  0  0  4  4  0  4  0  4  0  0  0  4  4  0  0  0  4  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  0  4  4  0  0  4  0  4  0  0  0  0  4  4  4  0  4  4  4  0  0  4  0  4  4  4  4  4  0  0  0  4  0  0  0  0  0  0  0  4  4  4  0  4  4  0  4  4  4  4  4  0  0  0  0  0  4  0  4  4  4  0  4  0  4  0  4  0  0  4  4  4  0  0  4  4  0  0
 0  0  0  0  0  0  4  0  0  0  0  4  4  0  4  0  0  4  4  4  4  4  4  4  4  0  4  4  4  4  4  4  0  4  0  0  4  0  4  4  0  0  0  4  4  4  4  0  0  4  0  4  0  4  0  0  4  4  0  0  0  0  0  0  0  4  0  0  4  4  4  4  0  4  0  4  4  4  4  4  0  0  0  0  4  0  4  4  4  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  4  4  4  4  4  4  0  0  4  4  0  0  4  0  4  4  4  0  0  0  4  4  0  4  0  0  4  4  0  0  4  4  0  4  0  0  0  4  0  4  0  0  0  4  4  4  4  4  4  0  0  4  0  0  0  4  4  0  4  0  4  4  4  0  0  4  4  4  0  4  4  0  4  0  0
 0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  0  0  4  0  0  4  4  4  4  4  0  4  0  0  0  0  4  4  0  4  4  0  4  0  4  0  0  4  0  0  4  0  0  4  4  0  0  4  4  0  0  4  4  0  4  0  4  0  0  0  0  0  4  0  4  0  0  4  4  0  0  4  4  4  0  4  4  0  0  4  0  4  0  0  0
 0  0  0  0  0  0  0  0  0  4  4  0  4  4  0  0  4  0  4  4  0  0  0  0  0  4  4  4  0  0  4  0  4  4  4  4  4  0  0  0  4  0  0  0  4  4  0  0  4  4  0  4  0  0  0  4  0  4  4  0  0  4  4  0  0  0  0  4  4  4  0  0  4  4  0  0  0  4  4  4  4  0  0  4  0  0  0  4  0  4  0

generates a code of length 91 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+38x^76+12x^77+162x^78+68x^79+395x^80+160x^81+770x^82+492x^83+1316x^84+920x^85+1916x^86+1404x^87+2565x^88+2040x^89+3042x^90+2152x^91+3199x^92+1868x^93+2684x^94+1516x^95+1880x^96+960x^97+1212x^98+460x^99+636x^100+176x^101+324x^102+52x^103+151x^104+8x^105+106x^106+38x^108+18x^110+16x^112+6x^114+4x^116+1x^124

The gray image is a code over GF(2) with n=364, k=15 and d=152.
This code was found by Heurico 1.16 in 70.2 seconds.