The generator matrix

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

generates a code of length 74 over Z9 who´s minimum homogenous weight is 138.

Homogenous weight enumerator: w(x)=1x^0+504x^138+1014x^141+1216x^144+1164x^147+786x^150+634x^153+552x^156+354x^159+186x^162+120x^165+24x^168+6x^171

The gray image is a code over GF(3) with n=222, k=8 and d=138.
This code was found by Heurico 1.16 in 1.15 seconds.