The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  1  0  1  4  4  2  4  2  1
 0  2  0  0  0  2  6  2  4  0  4  2  2  4  6  2  6  2  2  6  2  2  6  0  6  4
 0  0  2  0  2  2  2  4  6  2  4  2  6  4  0  4  2  0  2  4  6  2  6  2  4  0
 0  0  0  2  2  0  2  6  2  4  0  0  6  2  4  4  6  2  2  4  4  4  6  6  4  2
 0  0  0  0  4  0  0  0  0  0  4  0  4  4  4  0  4  0  0  4  4  0  4  4  0  0
 0  0  0  0  0  4  4  0  4  4  0  0  0  0  0  4  0  4  0  0  4  0  4  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+35x^20+106x^21+80x^22+212x^23+97x^24+462x^25+105x^26+444x^27+89x^28+214x^29+55x^30+76x^31+30x^32+18x^33+15x^34+4x^35+4x^36+1x^38

The gray image is a code over GF(2) with n=104, k=11 and d=40.
This code was found by Heurico 1.16 in 0.0745 seconds.