D121212121213132333131232313232233131323223313233231333131323132311321   >>    D12121212121313233313123231323223313132322331323323133313132313231132   <<    D121212121213132333131232313232233131323223313233231333131323132311323   >>      D121212121213132333131232313232233131323223313233231333131323132311322   >>