The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+112x^73+309x^74+460x^75+474x^76+598x^77+667x^78+650x^79+704x^80+670x^81+694x^82+554x^83+496x^84+476x^85+353x^86+304x^87+218x^88+164x^89+132x^90+70x^91+18x^92+24x^93+10x^94+10x^95+9x^96+2x^97+9x^98+2x^101+2x^102

The gray image is a code over GF(2) with n=324, k=13 and d=146.
This code was found by Heurico 1.16 in 3.36 seconds.