C31232233133313221211113313331333132313331322121111331311223132323311   >>    C3123223313331322121111331333133313231333132212111133131122313232331   <<    C31232233133313221211113313331333132313331322121111331311223132323313   >>      C31232233133313221211113313331333132313331322121111331311223132323312   >>