D121212121213132333131232313232233131323223313231322331333131333132322113231   >>    D12121212121313233313123231323223313132322331323132233133313133313232211323   <<    D121212121213132333131232313232233131323223313231322331333131333132322113233   >>      D121212121213132333131232313232233131323223313231322331333131333132322113232   >>