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

generates a code of length 67 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 126.

Homogenous weight enumerator: w(x)=1x^0+80x^126+164x^129+624x^132+1096x^135+92x^138+70x^141+26x^144+14x^147+4x^150+6x^153+4x^159+6x^162

The gray image is a code over GF(3) with n=603, k=7 and d=378.
This code was found by Heurico 1.16 in 0.143 seconds.