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  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  3
 0  3  0  0  0  0  0  0  0  0  6  3  3  3  3  3  3  3  3  3  6  0  0  3  3  6  3  0  0  0  3  0  6  3  6  3  6  3  6  0  6  3  0  6  3  0  6  0  6  6  6  6  6  6  6  0  3  6  6  6  0  0  3  3  6  6  0  0  3  3  6  6  0  0  3  3  0  3  6  6  6  0  0  0  0  3  3  0  6  6  3
 0  0  3  0  0  0  3  3  3  6  0  3  6  3  3  6  6  0  3  3  0  3  0  6  0  3  0  3  0  0  3  3  0  0  3  0  3  0  3  3  0  3  0  3  0  6  6  6  3  0  0  6  3  0  6  6  3  3  6  0  0  3  3  0  0  3  6  6  6  6  6  6  6  6  6  6  6  6  6  6  6  0  0  0  3  6  3  3  0  3  3
 0  0  0  3  0  3  6  6  3  6  0  0  6  6  0  0  3  3  3  6  3  3  3  6  0  6  3  0  6  6  6  6  0  0  3  6  0  6  0  0  6  3  6  3  3  0  3  3  0  3  0  3  6  6  6  3  0  6  6  6  0  3  3  6  3  3  0  6  3  0  0  0  0  3  6  3  6  0  0  3  6  0  0  3  6  6  3  0  0  0  6
 0  0  0  0  3  6  6  0  6  6  3  3  6  3  0  3  3  6  6  6  6  3  3  0  6  0  3  6  0  6  0  3  0  3  3  6  3  0  0  3  6  3  3  6  0  3  3  6  6  3  6  6  6  3  0  3  6  3  6  0  6  0  0  3  0  0  0  0  6  0  0  3  6  0  3  0  3  6  6  0  3  0  3  6  6  6  3  6  3  3  6

generates a code of length 91 over Z9 who´s minimum homogenous weight is 177.

Homogenous weight enumerator: w(x)=1x^0+72x^177+222x^180+324x^183+90x^186+18x^189+2x^270

The gray image is a code over GF(3) with n=273, k=6 and d=177.
This code was found by Heurico 1.16 in 0.173 seconds.