C31232233133313221211113313331333133313331212111111331311331333132333112331   >>    C3123223313331322121111331333133313331333121211111133131133133313233311233   <<    C31232233133313221211113313331333133313331212111111331311331333132333112333   >>      C31232233133313221211113313331333133313331212111111331311331333132333112332   >>