D121212121213132333132323132313231232313232233131133132322331313231323311   >>    D12121212121313233313232313231323123231323223313113313232233131323132331   <<    D121212121213132333132323132313231232313232233131133132322331313231323313   >>      D121212121213132333132323132313231232313232233131133132322331313231323312   >>