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  3  1  1  1  1  1  1  1
 0  3  0  0  0  0  0  0  0  0  3  6  6  3  3  3  0  6  6  3  3  3  6  0  0  6  3  6  3  3  3  0  0  3  3  0  6  0  6  6  6
 0  0  3  0  0  0  0  3  6  6  6  0  0  6  3  6  3  0  3  3  3  0  0  6  6  6  6  6  0  6  0  3  3  3  0  6  6  0  0  0  3
 0  0  0  3  0  0  3  6  0  6  0  0  6  3  3  6  0  3  6  6  6  3  0  6  6  3  6  0  6  6  3  6  3  3  3  3  3  6  0  3  0
 0  0  0  0  3  0  6  6  3  0  6  6  6  0  6  6  0  6  6  3  0  0  0  6  6  3  6  6  0  0  3  0  6  6  6  3  6  0  3  6  0
 0  0  0  0  0  3  6  6  6  6  6  6  3  6  3  3  6  3  0  6  6  0  3  3  6  0  6  0  3  3  3  3  3  6  6  3  6  3  6  0  6

generates a code of length 41 over Z9 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+96x^72+214x^75+486x^80+86x^81+972x^83+138x^84+42x^90+112x^93+18x^99+20x^102+2x^120

The gray image is a code over GF(3) with n=123, k=7 and d=72.
This code was found by Heurico 1.16 in 4.9 seconds.