C1111133313331323223313331333133313231333132332131333133313111113111   >>    C111113331333132322331333133313331323133313233213133313331311111311   <<    C1111133313331323223313331333133313231333132332131333133313111113113   >>      C1111133313331323223313331333133313231333132332131333133313111113112   >>