The generator matrix

 1  0  1  1  1 14  1  1 14  1  0  1  1  8  1  1 12  6  1  2  1  2  1 12  1
 0  1 11  6  5  1 11  0  1 14  1 13  8  1  4  3  1  1  7 14  9  0  5  1  0
 0  0 12  0  0  0  0  4  4  4  4  8  8  0 12 12 12 12 12  8  8  4  4  8  0
 0  0  0 12  0  4  4  4  8  8 12  4 12  4  8  4  4 12  8 12  8  4 12  8  0
 0  0  0  0  8  0  0  8  8  8  8  8  0  0  0  8  0  0  8  0  8  0  8  8  0
 0  0  0  0  0  8  0  0  0  8  0  0  8  8  8  8  0  8  0  8  0  0  8  0  0
 0  0  0  0  0  0  8  0  0  0  0  8  0  8  8  8  8  8  8  8  8  0  0  0  0

generates a code of length 25 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+58x^18+108x^19+276x^20+526x^21+1582x^22+4264x^23+5249x^24+8634x^25+5266x^26+4268x^27+1584x^28+546x^29+250x^30+64x^31+53x^32+22x^33+12x^34+4x^36+1x^40

The gray image is a code over GF(2) with n=200, k=15 and d=72.
This code was found by Heurico 1.16 in 3.37 seconds.