C11111333133313232233133313331333133112111112113313331311331323231321213331   >>    C1111133313331323223313331333133313311211111211331333131133132323132121333   <<    C11111333133313232233133313331333133112111112113313331311331323231321213333   >>      C11111333133313232233133313331333133112111112113313331311331323231321213332   >>