The generator matrix

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

generates a code of length 77 over Z9 who´s minimum homogenous weight is 146.

Homogenous weight enumerator: w(x)=1x^0+228x^146+136x^147+288x^149+228x^150+288x^152+66x^153+174x^155+80x^156+156x^158+134x^159+150x^161+4x^162+102x^164+26x^165+60x^167+32x^168+12x^170+6x^171+8x^174+4x^180+2x^183+2x^186

The gray image is a code over GF(3) with n=231, k=7 and d=146.
This code was found by Heurico 1.16 in 47 seconds.