C3132121111133313233121111331333133313331333121211111311331322331311321   >>    C313212111113331323312111133133313331333133312121111131133132233131132   <<    C3132121111133313233121111331333133313331333121211111311331322331311323   >>      C3132121111133313233121111331333133313331333121211111311331322331311322   >>