C31232233133313221211113313331333133313331212111113123231323331   >>    C3123223313331322121111331333133313331333121211111312323132333   <<    C31232233133313221211113313331333133313331212111113123231323333   >>      C31232233133313221211113313331333133313331212111113123231323332   >>