C11111333133313232233133313331333133112111112113313232213331323133111   >>    C1111133313331323223313331333133313311211111211331323221333132313311   <<    C11111333133313232233133313331333133112111112113313232213331323133113   >>      C11111333133313232233133313331333133112111112113313232213331323133112   >>