D121212121213132333131232313232233131323223313232233132223131111   >>    D12121212121313233313123231323223313132322331323223313222313111   <<    D121212121213132333131232313232233131323223313232233132223131113   >>      D121212121213132333131232313232233131323223313232233132223131112   >>