C13131221323331323131323132323213231323131323223313233313233313331323113131   >>    C1313122132333132313132313232321323132313132322331323331323331333132311313   <<    C13131221323331323131323132323213231323131323223313233313233313331323113133   >>      C13131221323331323131323132323213231323131323223313233313233313331323113132   >>