The generator matrix

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

generates a code of length 73 over Z9 who´s minimum homogenous weight is 142.

Homogenous weight enumerator: w(x)=1x^0+108x^142+126x^143+32x^144+120x^145+132x^146+20x^147+54x^148+42x^149+20x^150+12x^151+12x^152+18x^154+2x^156+6x^158+4x^159+6x^164+2x^165+12x^166

The gray image is a code over GF(3) with n=219, k=6 and d=142.
This code was found by Heurico 1.13 in 0.063 seconds.