The generator matrix

 1  0  0  1  1  1  1  1 2X  1 X+3  1  1  3  1  1  1 2X  1  1  1  1 X+3  1  1  1  1  1  1  1 X+6  1  1
 0  1  0  1 2X+3  2  1  2  1 2X+8  1 X+1  3  1 2X+4 2X+2 X+6  1 X+3 2X+4 2X+6 2X  1 2X+7 X+8 2X+5 X+6 X+3  7 2X+2 X+3 X+6  X
 0  0  1  8 2X+4 X+2  1 X+3 X+4 2X+1 2X+2 2X+6 2X+2 2X+3 2X+2 2X+1  X  2  7 X+6 X+8 2X+7  4  7 X+7 2X+3 X+2 2X+5 X+2 X+4  1 X+5 X+8
 0  0  0 2X 2X+3 2X  3  0 2X+6 X+6 2X+6  6 X+3 X+6  3  3 2X+3 X+3  X X+3  6  0 X+3 2X 2X+3  X X+3 2X+6 2X+3  6 2X  3  6

generates a code of length 33 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 57.

Homogenous weight enumerator: w(x)=1x^0+216x^57+570x^58+2130x^59+2710x^60+4524x^61+9240x^62+11110x^63+16512x^64+24354x^65+24440x^66+26844x^67+26256x^68+14372x^69+7440x^70+4404x^71+1204x^72+426x^73+162x^74+124x^75+54x^76+36x^77+12x^78+6x^79

The gray image is a code over GF(3) with n=297, k=11 and d=171.
This code was found by Heurico 1.16 in 26.7 seconds.