D121212121213132333132323132313231232313232233131133132333132312321   >>    D12121212121313233313232313231323123231323223313113313233313231232   <<    D121212121213132333132323132313231232313232233131133132333132312323   >>      D121212121213132333132323132313231232313232233131133132333132312322   >>