The generator matrix

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

generates a code of length 91 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 177.

Homogenous weight enumerator: w(x)=1x^0+684x^177+648x^178+684x^179+1020x^180+504x^181+342x^182+594x^183+360x^184+180x^185+468x^186+360x^187+252x^188+336x^189+72x^190+30x^192+10x^198+6x^201+10x^207

The gray image is a code over GF(3) with n=819, k=8 and d=531.
This code was found by Heurico 1.16 in 15.8 seconds.