C31232233133313221211113313331333133313331212111111331311331333132213112112221   >>    C3123223313331322121111331333133313331333121211111133131133133313221311211222   <<    C31232233133313221211113313331333133313331212111111331311331333132213112112223   >>      C31232233133313221211113313331333133313331212111111331311331333132213112112222   >>