F: 2 2 2 3 9 9 9 9 9 9 -1 -1 2 2 2 3 9 9 9 9 9 9 -1 -1 -1 R: -1 -1 2 3 3 3 3 3 3 9 9 9 -1 -1 2 3 3 3 3 3 3 9 9 9 9