C11111333133313232233133313331333132313331323321313331311331323231311311221   >>    C1111133313331323223313331333133313231333132332131333131133132323131131122   <<    C11111333133313232233133313331333132313331323321313331311331323231311311223   >>      C11111333133313232233133313331333132313331323321313331311331323231311311222   >>