C3123223313331322121111331333133313121111331323133313232212111133231322331   >>    C312322331333132212111133133313331312111133132313331323221211113323132233   <<    C3123223313331322121111331333133313121111331323133313232212111133231322333   >>      C3123223313331322121111331333133313121111331323133313232212111133231322332   >>