C31232233133313221211113313331333133313331212111133131133132233132212121   >>    C3123223313331322121111331333133313331333121211113313113313223313221212   <<    C31232233133313221211113313331333133313331212111133131133132233132212123   >>      C31232233133313221211113313331333133313331212111133131133132233132212122   >>