C222133313331333131123313231333133313331313113313331333132322112123221   >>    C22213331333133313112331323133313331333131311331333133313232211212322   <<    C222133313331333131123313231333133313331313113313331333132322112123223   >>      C222133313331333131123313231333133313331313113313331333132322112123222   >>