C3123223313331322121111331333133313331333121211113312111111213331311233312121   >>    C312322331333132212111133133313331333133312121111331211111121333131123331212   <<    C3123223313331322121111331333133313331333121211113312111111213331311233312123   >>      C3123223313331322121111331333133313331333121211113312111111213331311233312122   >>