C121212123112323223313132322331323132333132322133112323132313233331   >>    C12121212311232322331313232233132313233313232213311232313231323333   <<    C121212123112323223313132322331323132333132322133112323132313233333   >>      C121212123112323223313132322331323132333132322133112323132313233332   >>