C1111121111331311211331333133313331313331323223313331311331333131133132312111   >>    C111112111133131121133133313331333131333132322331333131133133313113313231211   <<    C1111121111331311211331333133313331313331323223313331311331333131133132312113   >>      C1111121111331311211331333133313331313331323223313331311331333131133132312112   >>