C1111133313331323223313331333133313231333132332131333133313232212111133213321   >>    C111113331333132322331333133313331323133313233213133313331323221211113321332   <<    C1111133313331323223313331333133313231333132332131333133313232212111133213323   >>      C1111133313331323223313331333133313231333132332131333133313232212111133213322   >>