The generator matrix

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

generates a code of length 29 over Z8 who´s minimum homogenous weight is 23.

Homogenous weight enumerator: w(x)=1x^0+72x^23+290x^24+444x^25+779x^26+776x^27+1257x^28+972x^29+1250x^30+894x^31+723x^32+316x^33+263x^34+92x^35+33x^36+12x^37+12x^38+6x^39

The gray image is a code over GF(2) with n=116, k=13 and d=46.
This code was found by Heurico 1.16 in 0.793 seconds.