D2311233132233131323223313231113231323331323132333133112323132313111   >>    D231123313223313132322331323111323132333132313233313311232313231311   <<    D2311233132233131323223313231113231323331323132333133112323132313113   >>      D2311233132233131323223313231113231323331323132333133112323132313112   >>