The generator matrix

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

generates a code of length 20 over Z16 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+84x^15+387x^16+1308x^17+3461x^18+6784x^19+8626x^20+6850x^21+3610x^22+1268x^23+265x^24+80x^25+33x^26+8x^27+2x^29+1x^32

The gray image is a code over GF(2) with n=160, k=15 and d=60.
This code was found by Heurico 1.16 in 2 seconds.