D2311233132233131323223313231113231323131232313231323132313231323221   >>    D231123313223313132322331323111323132313123231323132313231323132322   <<    D2311233132233131323223313231113231323131232313231323132313231323223   >>      D2311233132233131323223313231113231323131232313231323132313231323222   >>