The generator matrix

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

generates a code of length 25 over Z8 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+187x^18+220x^19+931x^20+1156x^21+2673x^22+3380x^23+5397x^24+4828x^25+5455x^26+3364x^27+2713x^28+1180x^29+883x^30+204x^31+173x^32+4x^33+18x^34+1x^48

The gray image is a code over GF(2) with n=100, k=15 and d=36.
This code was found by Heurico 1.16 in 9.1 seconds.