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

generates a code of length 75 over Z9 who´s minimum homogenous weight is 143.

Homogenous weight enumerator: w(x)=1x^0+258x^143+196x^144+414x^146+184x^147+234x^149+126x^150+186x^152+68x^153+120x^155+32x^156+96x^158+50x^159+90x^161+44x^162+36x^164+18x^165+12x^167+6x^170+6x^171+6x^173+4x^177

The gray image is a code over GF(3) with n=225, k=7 and d=143.
This code was found by Heurico 1.13 in 1.37 seconds.