The generator matrix

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

generates a code of length 72 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 135.

Homogenous weight enumerator: w(x)=1x^0+376x^135+402x^136+1470x^137+3086x^138+2928x^139+3972x^140+5260x^141+3720x^142+5634x^143+6174x^144+4230x^145+5184x^146+5528x^147+3114x^148+2736x^149+2538x^150+1008x^151+876x^152+510x^153+138x^154+24x^155+48x^156+6x^157+18x^158+20x^159+6x^160+6x^161+28x^162+2x^165+6x^167

The gray image is a code over GF(3) with n=648, k=10 and d=405.
This code was found by Heurico 1.16 in 8.24 seconds.