C31232233133313221211113313331333132313331322121111131133131211   >>    C3123223313331322121111331333133313231333132212111113113313121   <<    C31232233133313221211113313331333132313331322121111131133131213   >>      C31232233133313221211113313331333132313331322121111131133131212   >>