C3123223313331322121111331333133313331333121211113313231323331322131111   >>    C312322331333132212111133133313331333133312121111331323132333132213111   <<    C3123223313331322121111331333133313331333121211113313231323331322131113   >>      C3123223313331322121111331333133313331333121211113313231323331322131112   >>