D121212121213132333131232313232233131323223313231322331323133321311   >>    D12121212121313233313123231323223313132322331323132233132313332131   <<    D121212121213132333131232313232233131323223313231322331323133321313   >>      D121212121213132333131232313232233131323223313231322331323133321312   >>