C3123223313331322121111331333133313331333121211113313331123313331333233111   >>    C312322331333132212111133133313331333133312121111331333112331333133323311   <<    C3123223313331322121111331333133313331333121211113313331123313331333233113   >>      C3123223313331322121111331333133313331333121211113313331123313331333233112   >>