The generator matrix

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

generates a code of length 26 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+147x^20+462x^21+864x^22+1334x^23+1810x^24+2278x^25+2567x^26+2396x^27+1791x^28+1266x^29+846x^30+406x^31+155x^32+42x^33+11x^34+8x^35

The gray image is a code over GF(2) with n=104, k=14 and d=40.
This code was found by Heurico 1.11 in 1.22 seconds.