The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  2  4  2  1  1
 0  2  0  0  0  2  6  2  0  0  4  2  4  2  6  2  2  4  4  2  2  0  2  0  0
 0  0  2  0  2  2  6  0  0  4  2  2  2  6  4  0  0  4  2  2  2  2  6  2  0
 0  0  0  2  2  0  6  2  4  2  2  0  4  6  0  2  6  6  4  4  4  6  4  6  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  4  0  4  4  0  0  4  0  0  4
 0  0  0  0  0  4  0  4  4  0  4  4  0  4  4  4  0  4  0  4  0  4  4  0  4
 0  0  0  0  0  0  4  4  0  4  4  4  0  4  4  0  4  4  4  4  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+41x^18+70x^19+134x^20+142x^21+323x^22+386x^23+516x^24+858x^25+570x^26+378x^27+272x^28+146x^29+146x^30+62x^31+35x^32+6x^33+5x^34+2x^36+3x^38

The gray image is a code over GF(2) with n=100, k=12 and d=36.
This code was found by Heurico 1.16 in 0.239 seconds.