C3123223313331322121111331333133313331333121211113313331322212111   >>    C312322331333132212111133133313331333133312121111331333132221211   <<    C3123223313331322121111331333133313331333121211113313331322212113   >>      C3123223313331322121111331333133313331333121211113313331322212112   >>