C111113331333132322331333133313331331121111121133132313331311331121111   >>    C11111333133313232233133313331333133112111112113313231333131133112111   <<    C111113331333132322331333133313331331121111121133132313331311331121113   >>      C111113331333132322331333133313331331121111121133132313331311331121112   >>