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  1  1  1  1  1  1  1  1  1  X  X  1  X  1  1  1  1  X  1  X  X  1  1  1  1  X  1  1
 0  X  0  0  0  0  0  0  0  0  X 2X 2X  X  X  X  0 2X  X 2X  X  0  X  0 2X  X  0 2X  X 2X 2X 2X  X  X  0  X 2X 2X  0  0  0  X 2X  X  X  X 2X  X  X  0  X 2X 2X  X  X  0  X  X 2X  0  X  0  X  X  0  0 2X  0  0  0  X  0  0
 0  0  X  0  0  0  0  X 2X 2X 2X  0  0 2X  X 2X  X  0  X  X  0 2X 2X  0  X  X 2X  0  X  0 2X 2X 2X  X  0 2X 2X 2X  X  X 2X 2X 2X 2X  0 2X  0 2X  X 2X  X 2X  X  X 2X  X  X 2X  X  X  X  X  X  X  X  X  X 2X  X  X  X  X  0
 0  0  0  X  0  0  X 2X  0 2X  0  0 2X  X  X 2X  0  X  0 2X  0 2X 2X  0 2X  0  X 2X 2X  X  X  X 2X  0 2X  0 2X  X  0 2X  X 2X 2X  X  X  0  X  X  0  0  0 2X  X 2X  0  X  0 2X 2X 2X  X 2X 2X  X  0  X  X  X  0  0  0  X  0
 0  0  0  0  X  0 2X 2X  X  0 2X 2X 2X  0 2X 2X  0 2X  X  0 2X 2X  0  X 2X  0 2X  X  0  X  0  X  0 2X 2X  0  0 2X 2X  X  0  X 2X  X  0  X  X 2X  X  X 2X 2X 2X 2X  0  X  0  X  X  0 2X  X  X  X  0  0  X 2X  X  X 2X  0  0
 0  0  0  0  0  X 2X 2X 2X 2X 2X 2X  X 2X  X  X 2X  X 2X 2X 2X 2X  0 2X  0  X  0  0 2X  X 2X  0 2X  X  X  0  X  0  0  X  0  X 2X  X 2X  0  0  X  X  0 2X  0  0 2X  X 2X  0  X  0  0 2X  0 2X  X  X  X  0  X  X  0  X  0  0

generates a code of length 73 over Z3[X]/(X^2) who´s minimum homogenous weight is 132.

Homogenous weight enumerator: w(x)=1x^0+36x^132+104x^135+168x^138+288x^141+444x^144+536x^147+342x^150+106x^153+38x^156+28x^159+30x^162+22x^165+22x^168+4x^171+8x^174+4x^177+2x^180+2x^183+2x^198

The gray image is a linear code over GF(3) with n=219, k=7 and d=132.
This code was found by Heurico 1.16 in 0.204 seconds.