C31232233133313221211113313331333132313331322121111133312113313331311331312311   >>    C3123223313331322121111331333133313231333132212111113331211331333131133131231   <<    C31232233133313221211113313331333132313331322121111133312113313331311331312313   >>      C31232233133313221211113313331333132313331322121111133312113313331311331312312   >>