The generator matrix

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

generates a code of length 76 over Z9 who´s minimum homogenous weight is 148.

Homogenous weight enumerator: w(x)=1x^0+198x^148+114x^150+126x^151+96x^153+18x^156+126x^157+6x^159+36x^160+2x^162+6x^177

The gray image is a code over GF(3) with n=228, k=6 and d=148.
This code was found by Heurico 1.16 in 36.7 seconds.