C121212123112323223313132322331323331323132322231323132313232223221   >>    C12121212311232322331313232233132333132313232223132313231323222322   <<    C121212123112323223313132322331323331323132322231323132313232223223   >>      C121212123112323223313132322331323331323132322231323132313232223222   >>