The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+57x^18+76x^19+144x^20+428x^21+279x^22+1452x^23+554x^24+2220x^25+532x^26+1476x^27+283x^28+420x^29+144x^30+68x^31+37x^32+4x^33+11x^34+4x^36+1x^38+1x^44

The gray image is a code over GF(2) with n=100, k=13 and d=36.
This code was found by Heurico 1.16 in 0.733 seconds.