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

generates a code of length 36 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+36x^60+94x^63+180x^66+444x^69+5102x^72+490x^75+54x^78+66x^81+46x^84+24x^87+18x^90+4x^93+2x^99

The gray image is a code over GF(3) with n=324, k=8 and d=180.
This code was found by Heurico 1.16 in 0.185 seconds.