D121212121213132333132323132313231232313232233131133132322331323331123221   >>    D12121212121313233313232313231323123231323223313113313232233132333112322   <<    D121212121213132333132323132313231232313232233131133132322331323331123223   >>      D121212121213132333132323132313231232313232233131133132322331323331123222   >>