C31232233133313221211113313331333133313331212111133121111112113233231   >>    C3123223313331322121111331333133313331333121211113312111111211323323   <<    C31232233133313221211113313331333133313331212111133121111112113233233   >>      C31232233133313221211113313331333133313331212111133121111112113233232   >>