The generator matrix

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

generates a code of length 71 over Z3[X]/(X^2) who´s minimum homogenous weight is 135.

Homogenous weight enumerator: w(x)=1x^0+504x^135+396x^138+324x^141+386x^144+246x^147+144x^150+124x^153+42x^156+14x^162+4x^171+2x^180

The gray image is a linear code over GF(3) with n=213, k=7 and d=135.
This code was found by Heurico 1.16 in 35 seconds.