D121213233313133313133313221123313232313231323133313131323132313232213231   >>    D12121323331313331313331322112331323231323132313331313132313231323221323   <<    D121213233313133313133313221123313232313231323133313131323132313232213233   >>      D121213233313133313133313221123313232313231323133313131323132313232213232   >>