C11111333133313232233133313331333131133132233133313331323221223112111   >>    C1111133313331323223313331333133313113313223313331333132322122311211   <<    C11111333133313232233133313331333131133132233133313331323221223112113   >>      C11111333133313232233133313331333131133132233133313331323221223112112   >>