The generator matrix

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

generates a code of length 69 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 128.

Homogenous weight enumerator: w(x)=1x^0+336x^128+254x^129+36x^130+768x^131+468x^132+594x^133+1122x^134+1004x^135+2052x^136+1812x^137+1676x^138+3690x^139+1962x^140+1110x^141+918x^142+486x^143+336x^144+360x^146+116x^147+234x^149+96x^150+138x^152+34x^153+48x^155+6x^156+24x^158+2x^180

The gray image is a code over GF(3) with n=621, k=9 and d=384.
This code was found by Heurico 1.16 in 2.46 seconds.