C3123223313331322121111331333133313331333121211113313331333212131   >>    C312322331333132212111133133313331333133312121111331333133321213   <<    C3123223313331322121111331333133313331333121211113313331333212133   >>      C3123223313331322121111331333133313331333121211113313331333212132   >>