D121212121213132333131232313232233131323223313231322331313231311311   >>    D12121212121313233313123231323223313132322331323132233131323131131   <<    D121212121213132333131232313232233131323223313231322331313231311313   >>      D121212121213132333131232313232233131323223313231322331313231311312   >>