The generator matrix

 1  0  1  1  1  0  1  1  4  1  6  1  0  1  1  4  2  1  0  1  0  4  1  1  2  1
 0  1  1  0  3  1  3  0  1  7  1  2  1  6  1  1  4  7  1  4  2  2  4  5  4  4
 0  0  2  0  0  0  2  2  2  4  6  2  2  6  0  2  2  6  0  6  6  2  4  2  6  0
 0  0  0  2  0  6  2  2  4  6  2  4  6  2  2  4  4  0  0  4  2  4  2  6  0  2
 0  0  0  0  4  0  0  0  4  4  4  4  4  4  4  4  4  4  4  0  0  0  4  0  0  4
 0  0  0  0  0  4  0  0  0  4  4  0  0  0  4  4  0  0  4  0  4  4  0  0  4  4
 0  0  0  0  0  0  4  0  0  0  0  4  4  4  4  0  0  4  0  4  0  4  4  0  4  4
 0  0  0  0  0  0  0  4  0  0  0  0  0  4  0  0  4  4  4  4  4  0  4  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+49x^18+78x^19+306x^20+326x^21+973x^22+938x^23+2285x^24+1702x^25+2995x^26+1766x^27+2288x^28+962x^29+1046x^30+286x^31+233x^32+82x^33+51x^34+4x^35+6x^36+5x^38+1x^40+1x^42

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 2.67 seconds.