The generator matrix

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

generates a code of length 72 over Z9 who´s minimum homogenous weight is 131.

Homogenous weight enumerator: w(x)=1x^0+420x^131+324x^132+1200x^134+694x^135+1518x^137+914x^138+1776x^140+1038x^141+1968x^143+942x^144+2070x^146+884x^147+1656x^149+684x^150+1404x^152+504x^153+756x^155+392x^156+288x^158+150x^159+54x^161+28x^162+12x^164+6x^165

The gray image is a code over GF(3) with n=216, k=9 and d=131.
This code was found by Heurico 1.16 in 8.8 seconds.