C11111333133313232233133313331333133112111112113313113313331323133312111   >>    C1111133313331323223313331333133313311211111211331311331333132313331211   <<    C11111333133313232233133313331333133112111112113313113313331323133312113   >>      C11111333133313232233133313331333133112111112113313113313331323133312112   >>