The two diagrams below should be identical to the pixel with no red present.
1 2 3 4 5 6 7 8 9 0 1 2 3
7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4
8 9 0 1 2 3 4 5 6 7 8 9 0