The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  4  0  2  1  2  4  8  0  1  2  1  4  2  1  2  0  2  1  1  8  2  2  1  1  1  2  1  2  1 12  8  2  1 12  1  1  4  1  4  8  1  1
 0  2  0  0  0  2 14  2  4 12 14 10 12 14 12 14  4 14  0  4  2  6 12  8 14  4 14  4 10  8 10 12  0  2  4  4  6 10  8  2  2 12  8  6  2 14  6  4  2 14 14  2  0  6 14  0  8 12  8 12 12 14  4  8 10  2  2  0  0  2 10  8  0  2  0
 0  0  2  0  2  2 10  8  0  0  2 10  6  4 14  4  8  8  4  2 14  6 14  4 12 14  0  6  2  8  2  0  2  0  2 10  8 12 12  6  4  4  0  2 12 10  6  6  8  0 10 12  2 10  6  2  0  4  2 10 10 12  2  2 14  0  4 10  4 10 14  8  2  6  8
 0  0  0  2  2  8  2  6 14  4  4 14 14 10 12  4 10 14 12  6 12 10  4 12  8  2 14  0 14  2 12  2 14 14 12  8 12  0  2 10  2 12  6  2  8  0 14  6  0  6  8  8 12 10 14  6 14 10 10  2  6  0  6  8  8 14 12 10  8  2 12  2  4 12  8
 0  0  0  0  4  0  4 12 12 12 12  8  8  0 12 12 12  0  0  4  0  8  8 12  8  0  4 12 12  4  4  8  4  4  0 12  4  4  0  4  8  0 12  0  8  8  4  4 12  8  0 12  8  8  4  4  8  8  8  4  8 12  4  4  4  0 12  8 12 12  4 12  4  8  8

generates a code of length 75 over Z16 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+73x^66+318x^67+652x^68+1014x^69+1402x^70+1698x^71+2656x^72+2806x^73+3875x^74+3730x^75+4226x^76+2874x^77+2550x^78+1756x^79+1164x^80+736x^81+547x^82+270x^83+186x^84+124x^85+50x^86+18x^87+7x^88+14x^89+14x^90+2x^91+2x^92+2x^96+1x^98

The gray image is a code over GF(2) with n=600, k=15 and d=264.
This code was found by Heurico 1.16 in 22.3 seconds.