C3123223313331322121111331333133313331333121211113313332211313231   >>    C312322331333132212111133133313331333133312121111331333221131323   <<    C3123223313331322121111331333133313331333121211113313332211313233   >>      C3123223313331322121111331333133313331333121211113313332211313232   >>