The generator matrix

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

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+68x^132+186x^133+108x^134+152x^135+240x^136+168x^137+172x^138+192x^139+72x^140+138x^141+96x^142+42x^143+72x^144+90x^145+18x^146+50x^147+72x^148+42x^149+38x^150+42x^151+12x^152+20x^153+48x^154+12x^155+6x^157+12x^158+14x^159+2x^162+2x^171

The gray image is a linear code over GF(3) with n=210, k=7 and d=132.
This code was found by Heurico 1.13 in 0.0898 seconds.