C31232233133313221211113313331333132313331322121111131133132313331311122123331   >>    C3123223313331322121111331333133313231333132212111113113313231333131112212333   <<    C31232233133313221211113313331333132313331322121111131133132313331311122123333   >>      C31232233133313221211113313331333132313331322121111131133132313331311122123332   >>