D121213233313133313131232313132313231323132333133313232233131323223311   >>    D12121323331313331313123231313231323132313233313331323223313132322331   <<    D121213233313133313131232313132313231323132333133313232233131323223313   >>      D121213233313133313131232313132313231323132333133313232233131323223312   >>