C13131221323331323131323132323213231323131323223313233313132322132311111   >>    C1313122132333132313132313232321323132313132322331323331313232213231111   <<    C13131221323331323131323132323213231323131323223313233313132322132311113   >>      C13131221323331323131323132323213231323131323223313233313132322132311112   >>