The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+268x^18+580x^19+1606x^20+2940x^21+4979x^22+7372x^23+9449x^24+10644x^25+9739x^26+8060x^27+4905x^28+2628x^29+1489x^30+500x^31+290x^32+44x^33+37x^34+5x^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 32.1 seconds.