C3123223313331322121111331333133313331333121211113313332213331323112113121   >>    C312322331333132212111133133313331333133312121111331333221333132311211312   <<    C3123223313331322121111331333133313331333121211113313332213331323112113123   >>      C3123223313331322121111331333133313331333121211113313332213331323112113122   >>