C132233133112121111331333133313331333132332121211113313133222311   >>    C13223313311212111133133313331333133313233212121111331313322231   <<    C132233133112121111331333133313331333132332121211113313133222313   >>      C132233133112121111331333133313331333132332121211113313133222312   >>