(6, 0, (-1, -1))
6 1
6 -1
7 0
5 0
(6, 1, (6, 0))
6 2
6 0
7 1
5 1
(7, 0, (6, 0))
7 1
7 -1
8 0
6 0
(5, 0, (6, 0))
5 1
5 -1
6 0
4 0
(6, 2, (6, 1))
6 3
6 1
7 2
5 2
(7, 1, (6, 1))
7 2
7 0
8 1
6 1
(5, 1, (6, 1))
5 2
5 0
6 1
4 1
YES
3
DLL