The generator matrix

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

generates a code of length 52 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 101.

Homogenous weight enumerator: w(x)=1x^0+504x^101+122x^102+1026x^104+72x^105+324x^107+44x^108+90x^110+4x^129

The gray image is a code over GF(3) with n=468, k=7 and d=303.
This code was found by Heurico 1.16 in 0.0487 seconds.