C3123223313331322121111331333133313331333121211113313331133131121213321   >>    C312322331333132212111133133313331333133312121111331333113313112121332   <<    C3123223313331322121111331333133313331333121211113313331133131121213323   >>      C3123223313331322121111331333133313331333121211113313331133131121213322   >>