4 4 2
50
A 0 0 10
A 1 0 9
A 0 1 9
A 1 1 8
A 2 0 8
A 0 2 8
A 2 1 7
A 1 2 7
A 3 0 7
A 0 3 7
A 2 2 6
A 1 3 6
A 3 1 6
A 2 3 5
A 3 2 5
A 3 3 4
A 1 8 1
A 8 1 1
A 0 8 2
A 7 2 1
A 7 0 3
A 4 0 6
A 5 0 5
A 0 4 6
A 0 5 5
R 1
R 3
R 5
R 7
R 9
R 11
R 13
R 15
R 17
R 19
R 21
R 23
R 25
R 24
R 22
R 20
R 18
R 16
R 14
R 12
R 10
R 8
R 6
R 4
R 2