C3123223313331322121111331333133313331333121211113313121111111313131   >>    C312322331333132212111133133313331333133312121111331312111111131313   <<    C3123223313331322121111331333133313331333121211113313121111111313133   >>      C3123223313331322121111331333133313331333121211113313121111111313132   >>