[1, 1, 1, 1, 1]
[0, 1, 2, 3, 4]
[]
[102, 102]
[0, 1]
[]
[10202, 10203, 10202, 10203, 10203]
[0, 2]
[10203, 10203, 10203]
[10203, 10203, 10203]
[0, 1, 2]
[]
[1020302, 1020203]
[0]
[1020203]
[101020203, 102030101, 102010304, 102020301, 102010302, 102030304]
[0]
[102030101, 102010304, 102020301, 102010302, 102030304]
[102030101, 102010304, 102020301, 102010302, 102030304]
[0]
[102010304, 102020301, 102010302, 102030304]
[102010304, 102020301, 102010302, 102030304]
[0]
[102020301, 102010302, 102030304]
[102020301, 102010302, 102030304]
[0]
[102010302, 102030304]
[102010302, 102030304]
[0]
[102030304]
8