The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+23x^76+58x^77+121x^78+274x^79+359x^80+584x^81+676x^82+930x^83+1157x^84+1504x^85+1957x^86+2294x^87+2547x^88+2644x^89+2722x^90+2494x^91+2661x^92+2220x^93+1947x^94+1630x^95+1058x^96+932x^97+631x^98+442x^99+295x^100+196x^101+103x^102+102x^103+70x^104+48x^105+24x^106+22x^107+12x^108+6x^109+8x^110+4x^111+4x^112+3x^114+4x^116+1x^120

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 68.9 seconds.