The generator matrix

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

generates a code of length 62 over Z3[X]/(X^2) who´s minimum homogenous weight is 120.

Homogenous weight enumerator: w(x)=1x^0+238x^120+216x^123+130x^126+84x^129+54x^132+4x^144+2x^174

The gray image is a linear code over GF(3) with n=186, k=6 and d=120.
This code was found by Heurico 1.16 in 0.074 seconds.