C3123223313331322121111331333133313331333121211113313332233231121   >>    C312322331333132212111133133313331333133312121111331333223323112   <<    C3123223313331322121111331333133313331333121211113313332233231123   >>      C3123223313331322121111331333133313331333121211113313332233231122   >>