The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+222x^18+204x^19+970x^20+1184x^21+2862x^22+3420x^23+5108x^24+4704x^25+5274x^26+3460x^27+2806x^28+1152x^29+970x^30+212x^31+202x^32+16x^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 9.21 seconds.