D121213233313133313133313221123313232313231323133313131323132313232223321   >>    D12121323331313331313331322112331323231323132313331313132313231323222332   <<    D121213233313133313133313221123313232313231323133313131323132313232223323   >>      D121213233313133313133313221123313232313231323133313131323132313232223322   >>