D121212121213132333131232313232233131323223313231322331333131133132313231231   >>    D12121212121313233313123231323223313132322331323132233133313113313231323123   <<    D121212121213132333131232313232233131323223313231322331333131133132313231233   >>      D121212121213132333131232313232233131323223313231322331333131133132313231232   >>