C31232233133313221211113313331333133313331212111133132212113313113322212311   >>    C3123223313331322121111331333133313331333121211113313221211331311332221231   <<    C31232233133313221211113313331333133313331212111133132212113313113322212313   >>      C31232233133313221211113313331333133313331212111133132212113313113322212312   >>