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

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

Homogenous weight enumerator: w(x)=1x^0+32x^72+82x^73+85x^74+62x^75+101x^76+172x^77+192x^78+220x^79+253x^80+262x^81+170x^82+68x^83+84x^84+78x^85+48x^86+28x^87+22x^88+24x^89+9x^90+6x^91+14x^92+22x^93+8x^94+4x^96+1x^140

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 0.537 seconds.