The generator matrix

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

generates a code of length 70 over Z3[X]/(X^2) who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+198x^133+240x^134+74x^135+240x^136+264x^137+76x^138+192x^139+174x^140+14x^141+78x^142+84x^143+40x^144+78x^145+78x^146+10x^147+84x^148+66x^149+4x^150+48x^151+36x^152+18x^153+42x^154+18x^155+2x^156+12x^157+12x^158+2x^162+2x^174

The gray image is a linear code over GF(3) with n=210, k=7 and d=133.
This code was found by Heurico 1.16 in 25.5 seconds.