C31232233133313221211113313331333133313331212111133121111121111113313231322121   >>    C3123223313331322121111331333133313331333121211113312111112111111331323132212   <<    C31232233133313221211113313331333133313331212111133121111121111113313231322123   >>      C31232233133313221211113313331333133313331212111133121111121111113313231322122   >>