The generator matrix

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

generates a code of length 33 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 57.

Homogenous weight enumerator: w(x)=1x^0+284x^57+492x^58+1602x^59+3966x^60+4368x^61+7254x^62+13334x^63+16638x^64+20220x^65+30250x^66+25896x^67+21420x^68+18002x^69+7674x^70+3348x^71+1774x^72+300x^73+84x^74+156x^75+36x^76+18x^77+28x^78+2x^81

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 29.5 seconds.