The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+132x^138+138x^139+318x^140+658x^141+540x^142+600x^143+894x^144+720x^145+774x^146+1030x^147+864x^148+948x^149+1146x^150+966x^151+876x^152+1150x^153+822x^154+786x^155+1058x^156+678x^157+594x^158+914x^159+534x^160+456x^161+648x^162+306x^163+246x^164+244x^165+192x^166+174x^167+124x^168+48x^169+48x^170+16x^171+24x^172+12x^173+2x^177+2x^183

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 7.26 seconds.