The generator matrix

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

generates a code of length 38 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+150x^68+294x^69+324x^70+546x^71+894x^72+1944x^73+1158x^74+2412x^75+3888x^76+1452x^77+2376x^78+2592x^79+912x^80+508x^81+138x^83+50x^84+18x^86+6x^87+8x^90+2x^93+6x^96+2x^99+2x^102

The gray image is a code over GF(3) with n=342, k=9 and d=204.
This code was found by Heurico 1.16 in 0.693 seconds.