0,0 should be a silver ball on a black background
1,0 should be a silver ball on a black background
2,0 should be a silver ball on a dark grey background
3,0 should be a silver ball on a light grey background

0,1 should be a silver ball on a light grey background
1,1 should be a silver ball on a light grey background
2,1 should be a silver ball on a dark grey background
3,1 should be a silver ball on a light grey background