C1111233131211111211113313331333133313331333133313331333133313232311211131   >>    C111123313121111121111331333133313331333133313331333133313331323231121113   <<    C1111233131211111211113313331333133313331333133313331333133313232311211133   >>      C1111233131211111211113313331333133313331333133313331333133313232311211132   >>