L = (1, 1, 2, 1, 2, 2, 3, 1, 2, 3, 3)  :  position = 5
L = (1, 2, 3)  :  position = 2


P = (1, 2, 3, 4, 5, 6, 7)  :  position = 7
Q = (11, 10, 9, 8, 7, 6, 5, 4)  :  position = 0
U = (1, 2, 3, 4, 5, 6, 7, 11, 10, 9, 8)  :  position = 0


P = (1, 2, 3, 4, 5, 6, 7)  :  position = 7
Q = (11, 10, 9, 8, 7, 6, 5, 4)  :  position = 0
I = (4, 5, 6, 7)  :  position = 4