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
FAIL: Images required for this test.