The generator matrix

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

generates a code of length 76 over Z9 who´s minimum homogenous weight is 136.

Homogenous weight enumerator: w(x)=1x^0+246x^136+468x^137+526x^138+906x^139+1278x^140+1000x^141+1800x^142+1824x^143+1576x^144+2334x^145+2496x^146+1992x^147+2706x^148+3000x^149+2070x^150+3228x^151+3336x^152+2278x^153+3432x^154+3408x^155+2194x^156+3060x^157+2832x^158+1910x^159+2190x^160+1734x^161+998x^162+1260x^163+972x^164+506x^165+528x^166+408x^167+238x^168+144x^169+90x^170+14x^171+36x^172+18x^173+6x^176+2x^177+2x^180+2x^183

The gray image is a code over GF(3) with n=228, k=10 and d=136.
This code was found by Heurico 1.16 in 85.6 seconds.