C1111233131211111211113313331333133313331333133313331333121111331311111211   >>    C111123313121111121111331333133313331333133313331333133312111133131111121   <<    C1111233131211111211113313331333133313331333133313331333121111331311111213   >>      C1111233131211111211113313331333133313331333133313331333121111331311111212   >>