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

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

Homogenous weight enumerator: w(x)=1x^0+234x^173+200x^174+468x^176+240x^177+270x^179+48x^180+120x^182+76x^183+138x^185+36x^186+84x^188+42x^189+54x^191+28x^192+30x^194+46x^195+36x^197+8x^198+6x^200+12x^203+2x^204+6x^206+2x^210

The gray image is a code over GF(3) with n=270, k=7 and d=173.
This code was found by Heurico 1.13 in 0.297 seconds.