The generator matrix

 1  0  1  1  1 14  1  1  4  1  1 10  1  1 12  1  1  2  6  1  1 12  1  1  0  1  1  4  1  1  1 10  1  1  1 14  1  0  1 10  1  1  4  1  2  4  1  1  6  4  1 10 14  2  4  1  1  8  1  1  1 12  6  1  1  1  1  0  1  1  2 10  1  1  1 10  1 14  6  8  1 12  6  1  0  4  0  1  2  1
 0  1  1  6  3  1 13  4  1 10  3  1 15 12  1  1  2  1  1 12  1  1  0 13  1  3 10  1  9 12 11  1 14 10 11  1  4  1  1  1 15 15  1  9  1  1  2  4  1  1  0  1  1  1  1 11 10  1 12 10 11  1  1  5  5 11 12  1 10 14 10  1  5 11 14  1  0  1  1  1  7  2  1 13  1  1  0  7  6  8
 0  0  2  0  8  0  8 10 14 10  2 14  0  8  8  0  8  8  6  6  6  2  4  4 12  2 10 14 14  4 12  4  4 14  2 14 10  6 12  4  6  4  4  6 10 14 14 12 10  8 14 14  4  8 12  8  0  6 10  6  6 10 12  2 12 14  0 14 12  4  2  2  4  0  6 10 10 10  4  0  4  2 14  0  2 10  2 14  2  0
 0  0  0 12  0 12 12  0 12  4  4  0  8  8  8  4  4  4  8  0 12  4  0 12  8 12 12  4  0  4  8  4  8  4  8 12  8  8  4  8  8  0  0  4 12  0 12 12  4  4  8  8  0  8  4  4  8  0  4  0 12 12 12  8  8  0 12 12  0  4  4  0  0 12  8  4 12  8  8 12 12  8  4  0 12  8  0  4  8  4

generates a code of length 90 over Z16 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+58x^84+484x^85+643x^86+1006x^87+718x^88+1028x^89+643x^90+1028x^91+640x^92+846x^93+429x^94+322x^95+142x^96+76x^97+26x^98+44x^99+4x^100+14x^101+14x^102+16x^103+4x^104+4x^106+1x^120+1x^122

The gray image is a code over GF(2) with n=720, k=13 and d=336.
This code was found by Heurico 1.16 in 1.86 seconds.