D1212121212131323331312323132322331313232233132322331311331323331323131131   >>    D121212121213132333131232313232233131323223313232233131133132333132313113   <<    D1212121212131323331312323132322331313232233132322331311331323331323131133   >>      D1212121212131323331312323132322331313232233132322331311331323331323131132   >>