The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  1  1  1
 0  1 a^7*X+1  a a^7*X+a^2 a^3 a^7*X+2 a^5 a^7*X+a^6 a^7  X a^6*X+1 X+a a^6*X+a^2 X+a^3 a^6*X+2 X+a^5 a^6*X+a^6 X+a^7  1 a*X a^5*X+1 a*X+a

generates a code of length 23 over F9[X]/(X^2) who´s minimum homogenous weight is 177.

Homogenous weight enumerator: w(x)=1x^0+1008x^177+648x^178+24x^180+3528x^186+1296x^187+56x^189

The gray image is a linear code over GF(9) with n=207, k=4 and d=177.
This code was found by Heurico 1.16 in 0.00287 seconds.