C3123223313331322121111331333133313231323223313331333131113231111   >>    C312322331333132212111133133313331323132322331333133313111323111   <<    C3123223313331322121111331333133313231323223313331333131113231113   >>      C3123223313331322121111331333133313231323223313331333131113231112   >>