C31232233133313221211113313331333133313331212111111331311331333132211133313131   >>    C3123223313331322121111331333133313331333121211111133131133133313221113331313   <<    C31232233133313221211113313331333133313331212111111331311331333132211133313133   >>      C31232233133313221211113313331333133313331212111111331311331333132211133313132   >>