C3123223313331322121111331333133313331333121211113313233113311211111   >>    C312322331333132212111133133313331333133312121111331323311331121111   <<    C3123223313331322121111331333133313331333121211113313233113311211113   >>      C3123223313331322121111331333133313331333121211113313233113311211112   >>