The generator matrix

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

generates a code of length 90 over Z9 who´s minimum homogenous weight is 170.

Homogenous weight enumerator: w(x)=1x^0+420x^170+270x^171+834x^173+444x^174+732x^176+390x^177+630x^179+282x^180+456x^182+254x^183+414x^185+180x^186+306x^188+148x^189+246x^191+86x^192+174x^194+78x^195+84x^197+26x^198+66x^200+26x^201+12x^203+2x^207

The gray image is a code over GF(3) with n=270, k=8 and d=170.
This code was found by Heurico 1.16 in 9.78 seconds.