expected

T
F
F
T
T
T
F
F
T
F
F
T
T
F
F
F
T
T
F
T
F
T
T
F
T
F
T
F
F
T
T
T
F
T
F
T
T
F
T
T
F
F
T
3
5
1
5
[1, 2, 3, 5, 2, 6]
[1, 2, 1, 3, 1, 2]