D23312331311331311331322233231323132313232233132313221123313132311321   >>    D2331233131133131133132223323132313231323223313231322112331313231132   <<    D23312331311331311331322233231323132313232233132313221123313132311323   >>      D23312331311331311331322233231323132313232233132313221123313132311322   >>