C13131221323331323131323132323213231323131323223313233313132333132322331311   >>    C1313122132333132313132313232321323132313132322331323331313233313232233131   <<    C13131221323331323131323132323213231323131323223313233313132333132322331313   >>      C13131221323331323131323132323213231323131323223313233313132333132322331312   >>