The generator matrix

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

generates a code of length 90 over Z16 who´s minimum homogenous weight is 85.

Homogenous weight enumerator: w(x)=1x^0+132x^85+385x^86+492x^87+453x^88+482x^89+434x^90+362x^91+439x^92+390x^93+256x^94+148x^95+58x^96+28x^97+7x^98+6x^99+6x^100+6x^101+1x^102+2x^104+2x^105+4x^106+1x^122+1x^124

The gray image is a code over GF(2) with n=720, k=12 and d=340.
This code was found by Heurico 1.16 in 0.814 seconds.