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  4  1  1  2  1  1  1  1  4  1  1  1  2  1  1  1  0  1  1  0  1  1  1  2  1  2  1  1  2  2  1  0  1  1  1  2  1  2  1  1  1
 0  2  0  0  0  0  0  0  0  2  6  2  2  6  2  6  4  4  2  0  6  4  6  6  0  4  6  6  0  2  2  0  6  4  2  4  6  4  2  0  0  2  4  2  2  6  4  2  6  2  4  2  0  2  6  2  4  6  2  0  2  0  4  2  0  6  2  6  4  4  2  0  2  0  2  6  2  6  2  4
 0  0  2  0  0  4  6  2  2  2  2  0  2  6  0  4  6  2  4  6  4  0  6  4  0  2  2  2  0  4  6  0  0  6  6  4  6  2  4  2  2  0  6  2  6  6  6  0  6  2  2  6  4  0  2  4  0  2  2  6  6  4  4  0  6  2  2  4  2  0  2  6  2  0  2  6  0  0  2  0
 0  0  0  2  0  6  6  6  4  0  0  0  2  6  2  2  2  6  2  4  4  0  6  0  4  4  6  0  6  6  4  6  0  6  4  0  2  4  4  0  2  2  0  6  0  0  0  2  4  6  2  0  4  4  6  2  2  6  0  4  4  0  6  6  6  4  6  6  4  0  2  4  4  4  0  6  0  6  4  0
 0  0  0  0  2  2  4  6  2  0  2  2  2  0  0  6  2  4  6  6  2  6  2  0  0  4  0  4  4  4  2  6  0  4  6  0  6  0  2  6  2  2  2  0  6  4  4  4  2  2  6  0  4  6  2  6  2  6  2  0  4  0  0  0  0  4  4  4  2  2  0  2  2  2  6  4  4  6  0  0

generates a code of length 80 over Z8 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+21x^72+68x^73+102x^74+118x^75+89x^76+270x^77+61x^78+348x^79+42x^80+318x^81+30x^82+248x^83+49x^84+78x^85+39x^86+40x^87+30x^88+30x^89+16x^90+10x^91+22x^92+4x^93+7x^94+4x^95+2x^96+1x^134

The gray image is a code over GF(2) with n=320, k=11 and d=144.
This code was found by Heurico 1.16 in 0.471 seconds.