The generator matrix

 1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  1  2  2  1  1  1  4  1  2  1
 0  2  0  0  0  0  0  0  0  2  2  2  2  6  2  6  4  4  4  2  6  0  2  6  4  0
 0  0  2  0  0  0  2  6  2  4  0  2  2  2  4  2  4  0  6  6  4  6  6  0  4  0
 0  0  0  2  0  2  2  2  4  4  2  0  2  0  6  6  0  4  0  2  6  0  0  4  4  0
 0  0  0  0  2  2  0  2  6  2  4  4  6  2  0  4  0  6  2  6  6  2  4  6  2  0
 0  0  0  0  0  4  0  0  0  0  0  4  4  0  4  4  0  4  4  4  4  4  4  0  0  0
 0  0  0  0  0  0  4  4  0  0  4  4  4  4  4  4  4  4  0  0  0  0  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+67x^18+62x^19+175x^20+220x^21+319x^22+500x^23+765x^24+1252x^25+1427x^26+1288x^27+802x^28+516x^29+310x^30+188x^31+161x^32+60x^33+49x^34+10x^35+15x^36+3x^38+1x^40+1x^42

The gray image is a code over GF(2) with n=104, k=13 and d=36.
This code was found by Heurico 1.16 in 1.02 seconds.