D2311233132233131323223313231113231323131232313231323132313231323211   >>    D231123313223313132322331323111323132313123231323132313231323132321   <<    D2311233132233131323223313231113231323131232313231323132313231323213   >>      D2311233132233131323223313231113231323131232313231323132313231323212   >>