C3123223313331322121111331333133313331333121211113312111133133221   >>    C312322331333132212111133133313331333133312121111331211113313322   <<    C3123223313331322121111331333133313331333121211113312111133133223   >>      C3123223313331322121111331333133313331333121211113312111133133222   >>