The generator matrix

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

generates a code of length 30 over Z3[X]/(X^2) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+62x^42+212x^45+84x^46+426x^48+552x^49+730x^51+2010x^52+1788x^54+5178x^55+3690x^57+9318x^58+5256x^60+10992x^61+4334x^63+7698x^64+2042x^66+3090x^67+660x^69+444x^70+312x^72+98x^75+40x^78+22x^81+8x^84+2x^87

The gray image is a linear code over GF(3) with n=90, k=10 and d=42.
This code was found by Heurico 1.16 in 16.3 seconds.