deque([])
deque([])
deque([])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([(1, 2)])
deque([(1, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2), (1, 1)])
deque([(3, 2), (1, 1)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(1, 1), (1, 3)])
deque([(1, 1), (1, 3)])
deque([(1, 1), (1, 3), (3, 1)])
deque([(1, 1), (1, 3), (3, 1)])
deque([(1, 1), (1, 3), (3, 1)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
1
0
deque([])
deque([])
deque([])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([(0, 2)])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([(1, 2)])
deque([(1, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2), (1, 1)])
deque([(3, 2), (1, 1)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(3, 2), (1, 1), (1, 3)])
deque([(1, 1), (1, 3)])
deque([(1, 1), (1, 3)])
deque([(1, 1), (1, 3), (3, 1)])
deque([(1, 1), (1, 3), (3, 1)])
deque([(1, 1), (1, 3), (3, 1)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 1), (1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(1, 3), (3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 1), (3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([(3, 4)])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
3
deque([])
deque([])
deque([(3, 1)])
deque([(3, 1), (3, 2)])
deque([(3, 1), (3, 2)])
deque([(3, 1), (3, 2)])
deque([(3, 1), (3, 2)])
deque([(3, 1), (3, 2)])
deque([(3, 1), (3, 2)])
deque([(3, 1), (3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2)])
deque([(3, 2), (1, 1)])
deque([(3, 2), (1, 1)])
deque([(1, 1)])
deque([(1, 1)])
deque([(1, 1)])
deque([(1, 1)])
deque([(1, 1)])
deque([(1, 1)])
deque([(1, 1)])
deque([(1, 1), (0, 2)])
deque([(1, 1), (0, 2), (1, 2)])
deque([(1, 1), (0, 2), (1, 2)])
deque([(0, 2), (1, 2)])
deque([(0, 2), (1, 2)])
deque([(0, 2), (1, 2)])
deque([(0, 2), (1, 2)])
deque([(0, 2), (1, 2), (1, 3)])
deque([(0, 2), (1, 2), (1, 3)])
deque([(0, 2), (1, 2), (1, 3)])
deque([(0, 2), (1, 2), (1, 3)])
deque([(0, 2), (1, 2), (1, 3)])
deque([(0, 2), (1, 2), (1, 3)])
deque([(1, 2), (1, 3)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 2), (1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(1, 3), (0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([(0, 0)])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
3
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
deque([])
-1