The generator matrix

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

generates a code of length 26 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+58x^18+86x^19+275x^20+360x^21+942x^22+876x^23+2315x^24+1688x^25+3104x^26+1816x^27+2228x^28+952x^29+1012x^30+276x^31+227x^32+72x^33+62x^34+18x^35+9x^36+6x^38+1x^40

The gray image is a code over GF(2) with n=104, k=14 and d=36.
This code was found by Heurico 1.16 in 2.81 seconds.