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

generates a code of length 47 over Z3[X]/(X^2) who´s minimum homogenous weight is 87.

Homogenous weight enumerator: w(x)=1x^0+350x^87+484x^90+294x^93+516x^96+352x^99+102x^102+62x^105+12x^108+6x^114+6x^117+2x^123

The gray image is a linear code over GF(3) with n=141, k=7 and d=87.
This code was found by Heurico 1.16 in 3.49 seconds.