C1111233131211111211113313331333133313331311211331333133313331311331323311111   >>    C111123313121111121111331333133313331333131121133133313331333131133132331111   <<    C1111233131211111211113313331333133313331311211331333133313331311331323311113   >>      C1111233131211111211113313331333133313331311211331333133313331311331323311112   >>