C222133313331333131123313231333133313331333132323213331323123233311   >>    C22213331333133313112331323133313331333133313232321333132312323331   <<    C222133313331333131123313231333133313331333132323213331323123233313   >>      C222133313331333131123313231333133313331333132323213331323123233312   >>