C11111333133313232233133313331333131123313221211113313113313232111131   >>    C1111133313331323223313331333133313112331322121111331311331323211113   <<    C11111333133313232233133313331333131123313221211113313113313232111133   >>      C11111333133313232233133313331333131123313221211113313113313232111132   >>