C1111233131211111211113313331333133313331333133313331333133313113313111322311   >>    C111123313121111121111331333133313331333133313331333133313331311331311132231   <<    C1111233131211111211113313331333133313331333133313331333133313113313111322313   >>      C1111233131211111211113313331333133313331333133313331333133313113313111322312   >>