The generator matrix

 1  0  0  1  1  1 14  1  1  6  1  4  1  4  6  0  1  6  1  1  1  1  6  1  1 10  1 14  1  0
 0  1  0  2  1 11  1 12  2  0 15  1 13  1  1  2  2  1  4  7  6 13  1 14 13  1 10  2  1  1
 0  0  1  1  5  4  3  6  3  1  7  3  0  6  5  1  6 12 13  2  8  5  0  2  5  2 11  1  1  2
 0  0  0  4  4  8  4  8 12  0  4 12 12 12  8 12  4 12 12  4  0  0  0  0  0  8  8  0  8 12
 0  0  0  0  8  0  0  8  8  8  0  8  0  0  0  0  8  8  8  8  8  8  8  0  0  8  8  8  8  8

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

Homogenous weight enumerator: w(x)=1x^0+260x^25+838x^26+2158x^27+3720x^28+5754x^29+7336x^30+5810x^31+3683x^32+2186x^33+702x^34+186x^35+96x^36+22x^37+4x^38+6x^39+4x^40+2x^41

The gray image is a code over GF(2) with n=240, k=15 and d=100.
This code was found by Heurico 1.16 in 42.2 seconds.