C31232233133313221211113313331333133313331212111133133311213231323331   >>    C3123223313331322121111331333133313331333121211113313331121323132333   <<    C31232233133313221211113313331333133313331212111133133311213231323333   >>      C31232233133313221211113313331333133313331212111133133311213231323332   >>