The generator matrix

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

generates a code of length 75 over Z9 who´s minimum homogenous weight is 137.

Homogenous weight enumerator: w(x)=1x^0+42x^137+184x^138+66x^139+138x^140+412x^141+144x^142+156x^143+468x^144+204x^145+228x^146+510x^147+264x^148+234x^149+538x^150+270x^151+180x^152+580x^153+258x^154+180x^155+490x^156+156x^157+168x^158+288x^159+72x^160+96x^161+70x^162+24x^163+36x^164+22x^165+20x^168+20x^171+14x^174+14x^177+4x^180+4x^183+6x^186

The gray image is a code over GF(3) with n=225, k=8 and d=137.
This code was found by Heurico 1.16 in 1.07 seconds.