The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  1  1  1  1  1  1  X  1  1  X  1  X  1  1  1  X  1  1  1  X  1  1  1
 0  6  0  0  0  0  0  0  0  0  0  0  0  0  6  3  3  6  3  3  3  0  6  6  6  3  6  6  3  6  3  0  3  0  6  3  6  3  6  0  0  6  6  0  6  3  6  0  0  3  0  3  3  6  0  6  0  0
 0  0  6  0  0  0  0  0  0  0  0  6  3  3  3  3  0  6  6  3  6  3  0  6  6  0  6  0  6  0  3  3  0  3  3  0  0  6  6  0  3  3  6  3  6  0  3  0  6  6  6  0  3  3  6  3  0  0
 0  0  0  6  0  0  0  0  6  3  3  3  0  0  6  0  6  3  3  0  6  0  3  6  0  0  6  3  6  0  6  3  0  0  0  3  3  3  6  6  6  0  3  0  6  3  6  0  6  0  6  6  0  3  3  0  3  6
 0  0  0  0  6  0  0  6  3  0  3  0  0  3  3  6  6  6  0  3  3  3  6  3  6  6  6  0  0  3  6  0  0  6  6  0  0  3  3  6  0  0  6  3  0  6  6  0  6  0  0  6  6  0  3  6  6  3
 0  0  0  0  0  6  0  3  3  6  0  3  3  3  3  3  3  0  0  0  3  6  0  6  0  3  6  0  0  3  6  6  0  0  3  3  3  6  6  6  6  3  3  3  0  3  0  6  6  0  3  0  0  6  0  6  6  6
 0  0  0  0  0  0  6  3  3  3  3  3  3  6  6  6  0  3  6  3  3  3  6  0  3  3  6  6  6  3  6  6  6  6  3  6  0  6  3  3  3  3  6  3  3  0  0  3  0  3  0  6  3  3  3  0  6  6

generates a code of length 58 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 99.

Homogenous weight enumerator: w(x)=1x^0+82x^99+190x^102+6x^104+184x^105+72x^107+240x^108+360x^110+234x^111+960x^113+208x^114+14562x^116+170x^117+1152x^119+190x^120+384x^122+182x^123+162x^126+114x^129+100x^132+72x^135+24x^138+28x^141+2x^144+2x^147+2x^156

The gray image is a code over GF(3) with n=522, k=9 and d=297.
This code was found by Heurico 1.16 in 3.02 seconds.