C31232233133313221211113313331333133313331212111133131211113322311331   >>    C3123223313331322121111331333133313331333121211113313121111332231133   <<    C31232233133313221211113313331333133313331212111133131211113322311333   >>      C31232233133313221211113313331333133313331212111133131211113322311332   >>