C1111121111331311211331333133313331333133312113121111331333132322232321312321   >>    C111112111133131121133133313331333133313331211312111133133313232223232131232   <<    C1111121111331311211331333133313331333133312113121111331333132322232321312323   >>      C1111121111331311211331333133313331333133312113121111331333132322232321312322   >>