The generator matrix

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

generates a code of length 58 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 102.

Homogenous weight enumerator: w(x)=1x^0+34x^102+12x^103+30x^104+258x^105+234x^106+378x^107+480x^108+1116x^109+1926x^110+1376x^111+2958x^112+5934x^113+3102x^114+5766x^115+10062x^116+4052x^117+5874x^118+7794x^119+2394x^120+2640x^121+1488x^122+398x^123+318x^124+90x^125+166x^126+30x^127+66x^129+6x^130+16x^132+18x^135+14x^138+4x^141+8x^144+4x^147+2x^150

The gray image is a code over GF(3) with n=522, k=10 and d=306.
This code was found by Heurico 1.16 in 8.82 seconds.