The generator matrix

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

generates a code of length 90 over Z9 who´s minimum homogenous weight is 173.

Homogenous weight enumerator: w(x)=1x^0+288x^173+206x^174+372x^176+192x^177+288x^179+96x^180+174x^182+86x^183+90x^185+38x^186+102x^188+36x^189+42x^191+12x^192+60x^194+36x^195+6x^197+20x^198+18x^200+2x^201+18x^203+4x^204

The gray image is a code over GF(3) with n=270, k=7 and d=173.
This code was found by Heurico 1.16 in 9.48 seconds.