The generator matrix

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

generates a code of length 78 over Z9 who´s minimum homogenous weight is 146.

Homogenous weight enumerator: w(x)=1x^0+306x^146+278x^147+816x^149+348x^150+840x^152+374x^153+666x^155+372x^156+498x^158+258x^159+396x^161+252x^162+330x^164+138x^165+228x^167+90x^168+174x^170+46x^171+66x^173+22x^174+42x^176+6x^177+12x^179+2x^180

The gray image is a code over GF(3) with n=234, k=8 and d=146.
This code was found by Heurico 1.13 in 0.375 seconds.