The generator matrix

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

generates a code of length 75 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+206x^141+54x^142+828x^143+832x^144+450x^145+1980x^146+1048x^147+684x^148+3348x^149+1034x^150+1026x^151+3654x^152+1132x^153+630x^154+1692x^155+540x^156+72x^157+162x^158+182x^159+68x^162+46x^165+8x^171+2x^174+2x^180+2x^192

The gray image is a code over GF(3) with n=675, k=9 and d=423.
This code was found by Heurico 1.16 in 1.51 seconds.