The generator matrix

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

generates a code of length 42 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+62x^72+54x^73+162x^74+292x^75+180x^76+558x^77+1334x^78+990x^79+3402x^80+5094x^81+2394x^82+10260x^83+9690x^84+3222x^85+10278x^86+6718x^87+1602x^88+1296x^89+652x^90+306x^91+270x^92+74x^93+18x^95+76x^96+32x^99+22x^102+8x^105+2x^111

The gray image is a code over GF(3) with n=378, k=10 and d=216.
This code was found by Heurico 1.16 in 5.71 seconds.