C11111333133313232233133313331333133112111112113313113311211131   >>    C1111133313331323223313331333133313311211111211331311331121113   <<    C11111333133313232233133313331333133112111112113313113311211133   >>      C11111333133313232233133313331333133112111112113313113311211132   >>