C31232233133313221211113313331333133313331212111133131133133323133311211311   >>    C3123223313331322121111331333133313331333121211113313113313332313331121131   <<    C31232233133313221211113313331333133313331212111133131133133323133311211313   >>      C31232233133313221211113313331333133313331212111133131133133323133311211312   >>