The generator matrix

 1  0  1  1  1  1  1  0  1  1  1 X+3  1  1  1  3  1  1  1  1
 0  1  1  8 2X+1  3  8  1 X+3 2X+4 X+2  1 X+3 X+8  0  1 2X+8  2 X+1  8
 0  0 2X  0  X X+3 2X 2X 2X+3  3 2X+6 2X  0  X 2X+6 X+6  0 X+6  3 2X+3
 0  0  0  6  0  3  0  6  6  3  6  6  6  6  0  0  0  0  3  3
 0  0  0  0  6  6  6  0  0  3  3  6  6  3  0  0  6  3  0  3

generates a code of length 20 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+192x^32+176x^33+216x^34+930x^35+2442x^36+1296x^37+8688x^38+9122x^39+6966x^40+16170x^41+9032x^42+1728x^43+1554x^44+312x^45+168x^47+38x^48+8x^51+8x^54+2x^57

The gray image is a code over GF(3) with n=180, k=10 and d=96.
This code was found by Heurico 1.16 in 2.45 seconds.