D23312331311331313231323131111233132322331311331323331323133313232233131211   >>    D2331233131133131323132313111123313232233131133132333132313331323223313121   <<    D23312331311331313231323131111233132322331311331323331323133313232233131213   >>      D23312331311331313231323131111233132322331311331323331323133313232233131212   >>