D121212121213132333132323132313231232313232233131133132322331323132312111   >>    D12121212121313233313232313231323123231323223313113313232233132313231211   <<    D121212121213132333132323132313231232313232233131133132322331323132312113   >>      D121212121213132333132323132313231232313232233131133132322331323132312112   >>