The generator matrix

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

generates a code of length 90 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 172.

Homogenous weight enumerator: w(x)=1x^0+264x^172+684x^173+814x^174+1194x^175+1848x^176+1396x^177+1542x^178+1842x^179+1456x^180+1590x^181+1656x^182+1064x^183+1176x^184+1284x^185+620x^186+408x^187+354x^188+214x^189+42x^190+72x^191+4x^192+54x^193+6x^194+10x^195+12x^196+18x^197+6x^198+30x^199+6x^202+12x^203+2x^204+2x^210

The gray image is a code over GF(3) with n=810, k=9 and d=516.
This code was found by Heurico 1.16 in 1.96 seconds.