C3123223313331322121111331333133313331333121211113313332213231121   >>    C312322331333132212111133133313331333133312121111331333221323112   <<    C3123223313331322121111331333133313331333121211113313332213231123   >>      C3123223313331322121111331333133313331333121211113313332213231122   >>