The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+53x^76+156x^77+383x^78+342x^79+879x^80+912x^81+1729x^82+1100x^83+2351x^84+1686x^85+3072x^86+1844x^87+3584x^88+2142x^89+3180x^90+1644x^91+2399x^92+1298x^93+1533x^94+574x^95+820x^96+380x^97+283x^98+116x^99+121x^100+74x^101+46x^102+8x^103+23x^104+6x^105+6x^106+4x^107+4x^108+2x^109+6x^110+4x^112+2x^114+1x^120

The gray image is a code over GF(2) with n=352, k=15 and d=152.
This code was found by Heurico 1.16 in 55.2 seconds.