The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  2  1  4  4  1  1  2  2  0  2  2  2  8  1  2
 0  2  0  2  0  8 14 14  8 14  6  4  6  8 12  0 12  2  2  0  6 14 14  2  2 12  0  2  6  6
 0  0  2  2 12 14  6  4  0  8  6  2 10  6  2  2  0  6  0 10 12  4 14  2  2 10  2 12  8  4
 0  0  0  4  0  0  4  8  4  4  0  4  8 12  8 12 12  4  4  4 12  0  4 12  0  8  8  0 12  4
 0  0  0  0  8  8  8  8  0  0  0  8  8  0  0  0  8  0  8  0  8  0  0  8  8  0  8  8  8  0

generates a code of length 30 over Z16 who´s minimum homogenous weight is 25.

Homogenous weight enumerator: w(x)=1x^0+136x^25+329x^26+646x^27+981x^28+1410x^29+1292x^30+1432x^31+891x^32+552x^33+289x^34+158x^35+45x^36+10x^37+10x^38+4x^39+2x^40+4x^41

The gray image is a code over GF(2) with n=240, k=13 and d=100.
This code was found by Heurico 1.16 in 0.54 seconds.