The generator matrix

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

generates a code of length 42 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+446x^75+180x^76+828x^77+1678x^78+1602x^79+3384x^80+4258x^81+5292x^82+7722x^83+6646x^84+7218x^85+7542x^86+5004x^87+3204x^88+2394x^89+1112x^90+430x^93+84x^96+20x^99+2x^102+2x^105

The gray image is a code over GF(3) with n=378, k=10 and d=225.
This code was found by Heurico 1.16 in 94.4 seconds.