C3123223313331322121111331333133313331333121211113311211331333132223132313111   >>    C312322331333132212111133133313331333133312121111331121133133313222313231311   <<    C3123223313331322121111331333133313331333121211113311211331333132223132313113   >>      C3123223313331322121111331333133313331333121211113311211331333132223132313112   >>