The generator matrix

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

generates a code of length 90 over Z16 who´s minimum homogenous weight is 83.

Homogenous weight enumerator: w(x)=1x^0+228x^83+871x^84+1796x^85+2042x^86+3004x^87+3543x^88+3520x^89+3763x^90+3440x^91+3064x^92+2680x^93+1811x^94+1344x^95+716x^96+424x^97+219x^98+168x^99+49x^100+28x^101+19x^102+4x^103+27x^104+2x^106+4x^107+1x^112

The gray image is a code over GF(2) with n=720, k=15 and d=332.
This code was found by Heurico 1.16 in 15.1 seconds.