The generator matrix

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

generates a code of length 70 over Z3[X]/(X^2) who´s minimum homogenous weight is 126.

Homogenous weight enumerator: w(x)=1x^0+400x^126+1186x^129+2146x^132+2574x^135+3026x^138+3020x^141+3120x^144+2152x^147+1214x^150+610x^153+154x^156+40x^159+16x^162+12x^165+6x^168+2x^171+4x^174

The gray image is a linear code over GF(3) with n=210, k=9 and d=126.
This code was found by Heurico 1.16 in 6.91 seconds.