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

generates a code of length 70 over Z3[X]/(X^2) who´s minimum homogenous weight is 132.

Homogenous weight enumerator: w(x)=1x^0+256x^132+512x^135+412x^138+322x^141+238x^144+204x^147+152x^150+66x^153+12x^156+6x^159+2x^165+2x^171+2x^177

The gray image is a linear code over GF(3) with n=210, k=7 and d=132.
This code was found by Heurico 1.16 in 0.209 seconds.