The generator matrix

 1  0  0  1  1  1  1  1  1  6  0  1  3  1  1  6  1  1  1  1  1  0  6  1  6  1  1  0  1  1  0  1  1  1  3  1  1  1  3  1  3  1  6  1  1  6  1  1  1  1  1  1  1  3  3  1  1  1  3  6  1  6  3  1  1  1  1  1  1  1  6  1
 0  1  0  0  3  7  1  8  7  1  1  2  6  3  7  1  5  5  1  1  6  1  1  1  1  3  1  1  0  6  1  2  4  5  0  6  8  0  1  3  1  4  6  8  2  1  3  8  7  5  4  6  4  1  1  1  6  0  1  1  3  1  1  0  3  6  0  4  0  1  1  3
 0  0  1  1  5  2  4  0  6  7  5  6  1  1  5  1  7  2  6  7  0  3  8  7  8  4  6  0  0  8  1  2  8  1  1  8  3  7  5  8  3  2  1  1  3  3  4  7  5  0  3  1  5  0  0  3  2  1  5  5  2  1  4  5  7  5  5  3  4  0  4  6
 0  0  0  6  6  6  6  6  3  6  6  0  6  0  0  3  6  0  0  3  0  3  3  0  0  3  6  6  6  6  3  0  0  6  3  3  0  0  3  0  6  0  3  0  6  6  6  3  6  3  6  0  3  0  3  0  3  3  6  3  6  6  3  3  0  6  0  3  6  6  6  3

generates a code of length 72 over Z9 who´s minimum homogenous weight is 137.

Homogenous weight enumerator: w(x)=1x^0+276x^137+158x^138+354x^140+192x^141+312x^143+154x^144+174x^146+72x^147+108x^149+56x^150+84x^152+48x^153+60x^155+40x^156+54x^158+18x^161+12x^164+6x^167+4x^168+4x^171

The gray image is a code over GF(3) with n=216, k=7 and d=137.
This code was found by Heurico 1.16 in 0.615 seconds.