D121212121213132333132323132313231232313232233131133132322331323132231111   >>    D12121212121313233313232313231323123231323223313113313232233132313223111   <<    D121212121213132333132323132313231232313232233131133132322331323132231113   >>      D121212121213132333132323132313231232313232233131133132322331323132231112   >>