The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+96x^72+76x^73+429x^74+308x^75+613x^76+380x^77+712x^78+484x^79+827x^80+556x^81+787x^82+504x^83+648x^84+440x^85+496x^86+228x^87+243x^88+80x^89+109x^90+12x^91+64x^92+4x^93+52x^94+29x^96+7x^98+3x^100+4x^104

The gray image is a code over GF(2) with n=324, k=13 and d=144.
This code was found by Heurico 1.16 in 3.97 seconds.