C222133313331333131123313231333133313331333133313331333133313113313232233111   >>    C22213331333133313112331323133313331333133313331333133313331311331323223311   <<    C222133313331333131123313231333133313331333133313331333133313113313232233113   >>      C222133313331333131123313231333133313331333133313331333133313113313232233112   >>