C31232233133313221211113313331333133313331212111133131133131211111322131   >>    C3123223313331322121111331333133313331333121211113313113313121111132213   <<    C31232233133313221211113313331333133313331212111133131133131211111322133   >>      C31232233133313221211113313331333133313331212111133131133131211111322132   >>