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

generates a code of length 74 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 147.

Homogenous weight enumerator: w(x)=1x^0+54x^147+162x^148+12x^150+6x^153+6x^165+2x^171

The gray image is a code over GF(3) with n=666, k=5 and d=441.
This code was found by Heurico 1.16 in 0.146 seconds.