C3123223313331322121111331333133313331333121211111211113312111113131331   >>    C312322331333132212111133133313331333133312121111121111331211111313133   <<    C3123223313331322121111331333133313331333121211111211113312111113131333   >>      C3123223313331322121111331333133313331333121211111211113312111113131332   >>