C1111233131211111211113313331333133313331333133311221121111331333131111211   >>    C111123313121111121111331333133313331333133313331122112111133133313111121   <<    C1111233131211111211113313331333133313331333133311221121111331333131111213   >>      C1111233131211111211113313331333133313331333133311221121111331333131111212   >>