C222133313331333131123313231333133313331333131123313331311323331323123221   >>    C22213331333133313112331323133313331333133313112331333131132333132312322   <<    C222133313331333131123313231333133313331333131123313331311323331323123223   >>      C222133313331333131123313231333133313331333131123313331311323331323123222   >>