The generator matrix

 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  X  1  0  1  1  1  1  1  X  1  0  1  1
 0  X  0  0 X+3  X 2X 2X+3 2X X+3  6 2X+3  3 2X  0  X  X 2X+6  0 X+3  6 2X 2X  6 2X+6 2X+3 2X  X  X  X X+3 2X+3  6  X X+6  6 X+3  0
 0  0  X 2X 2X+6  X  0 X+3 2X  3  3  0 X+3 2X 2X+6 2X X+3  X 2X+3  3 X+6  0  0 X+3  3 X+6 2X+3 2X+3 X+3 2X+6 2X 2X 2X  X 2X+3  X  X  0
 0  0  0  6  0  0  6  3  6  6  3  0  6  6  6  0  6  0  0  6  0  3  3  6  6  3  0  6  3  6  0  0  0  3  3  0  0  6
 0  0  0  0  6  3  6  3  0  0  0  6  3  3  3  0  6  0  3  6  3  0  3  6  3  6  0  0  6  6  3  6  6  6  3  0  6  3

generates a code of length 38 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+86x^66+66x^67+120x^68+434x^69+360x^70+300x^71+1186x^72+906x^73+1746x^74+2698x^75+3078x^76+3174x^77+2716x^78+1140x^79+306x^80+536x^81+174x^82+108x^83+268x^84+96x^85+72x^86+70x^87+12x^88+6x^89+12x^90+8x^93+2x^96+2x^99

The gray image is a code over GF(3) with n=342, k=9 and d=198.
This code was found by Heurico 1.16 in 1.07 seconds.