C1111133313331323223313331333133313231333132332131333131211113322333121   >>    C111113331333132322331333133313331323133313233213133313121111332233312   <<    C1111133313331323223313331333133313231333132332131333131211113322333123   >>      C1111133313331323223313331333133313231333132332131333131211113322333122   >>