The generator matrix

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

generates a code of length 80 over Z9 who´s minimum homogenous weight is 143.

Homogenous weight enumerator: w(x)=1x^0+312x^143+242x^144+1404x^146+962x^147+2550x^149+1488x^150+3528x^152+2026x^153+4992x^155+2702x^156+5544x^158+2766x^159+6210x^161+2946x^162+5478x^164+2766x^165+4332x^167+1806x^168+2940x^170+1264x^171+1476x^173+544x^174+426x^176+96x^177+132x^179+20x^180+42x^182+28x^183+8x^189+18x^192

The gray image is a code over GF(3) with n=240, k=10 and d=143.
This code was found by Heurico 1.16 in 64.8 seconds.