The generator matrix

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

generates a code of length 76 over Z9 who´s minimum homogenous weight is 138.

Homogenous weight enumerator: w(x)=1x^0+382x^138+1420x^141+2214x^144+2536x^147+2976x^150+2874x^153+2638x^156+2240x^159+1424x^162+690x^165+208x^168+36x^171+18x^174+14x^177+6x^180+6x^189

The gray image is a code over GF(3) with n=228, k=9 and d=138.
This code was found by Heurico 1.16 in 14 seconds.