C3123223313331322121111331333133313331333121211113313311233112111   >>    C312322331333132212111133133313331333133312121111331331123311211   <<    C3123223313331322121111331333133313331333121211113313311233112113   >>      C3123223313331322121111331333133313331333121211113313311233112112   >>