C1111133313331323223313331333133313231333132332131333133313113322131211   >>    C111113331333132322331333133313331323133313233213133313331311332213121   <<    C1111133313331323223313331333133313231333132332131333133313113322131213   >>      C1111133313331323223313331333133313231333132332131333133313113322131212   >>