The generator matrix

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

generates a code of length 90 over Z16 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+134x^80+44x^81+230x^82+324x^83+899x^84+888x^85+2104x^86+1992x^87+4260x^88+2896x^89+5316x^90+2896x^91+4238x^92+1992x^93+2104x^94+888x^95+814x^96+324x^97+230x^98+44x^99+88x^100+28x^104+18x^108+10x^112+5x^116+1x^128

The gray image is a code over GF(2) with n=720, k=15 and d=320.
This code was found by Heurico 1.16 in 22.2 seconds.