C1111121111331311211331333133313231333133112111133133313331322323111   >>    C111112111133131121133133313331323133313311211113313331333132232311   <<    C1111121111331311211331333133313231333133112111133133313331322323113   >>      C1111121111331311211331333133313231333133112111133133313331322323112   >>