C11111333133313232233133313331333132313331323321313331311331323223221   >>    C1111133313331323223313331333133313231333132332131333131133132322322   <<    C11111333133313232233133313331333132313331323321313331311331323223223   >>      C11111333133313232233133313331333132313331323321313331311331323223222   >>