The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+184x^18+648x^19+1752x^20+2912x^21+4990x^22+6714x^23+10367x^24+10012x^25+10564x^26+7094x^27+5237x^28+2728x^29+1486x^30+518x^31+208x^32+92x^33+24x^34+2x^35+3x^36

The gray image is a code over GF(2) with n=100, k=16 and d=36.
This code was found by Heurico 1.16 in 30.7 seconds.