[1, 1, 1, 1]
[0, 1, 2, 3]
[]
[101, 101]
[0, 1]
[]
[10102, 10101, 10102, 10102, 10201, 10102]
[0, 2, 3, 5]
[10101, 10201]
[10101, 10201]
[0]
[10201]
[101020302, 101020304, 101020302, 101020202, 102030101, 102030401, 102010201, 102010304]
[0, 2]
[101020304, 101020202, 102030101, 102030401, 102010201, 102010304]
[101020304, 101020202, 102030101, 102030401, 102010201, 102010304]
[0]
[101020202, 102030101, 102030401, 102010201, 102010304]
[101020202, 102030101, 102030401, 102010201, 102010304]
[0]
[102030101, 102030401, 102010201, 102010304]
[102030101, 102030401, 102010201, 102010304]
[0]
[102030401, 102010201, 102010304]
[102030401, 102010201, 102010304]
[0]
[102010201, 102010304]
[102010201, 102010304]
[0]
[102010304]
8