C3123223313331322121111331333133313331333121211113313332313231323111   >>    C312322331333132212111133133313331333133312121111331333231323132311   <<    C3123223313331322121111331333133313331333121211113313332313231323113   >>      C3123223313331322121111331333133313331333121211113313332313231323112   >>