C31232233133313221211113313331333133313331212111133121111333131212121   >>    C3123223313331322121111331333133313331333121211113312111133313121212   <<    C31232233133313221211113313331333133313331212111133121111333131212123   >>      C31232233133313221211113313331333133313331212111133121111333131212122   >>