C111123313121111121111331333133313331333133313331333133312111133132223131   >>    C11112331312111112111133133313331333133313331333133313331211113313222313   <<    C111123313121111121111331333133313331333133313331333133312111133132223133   >>      C111123313121111121111331333133313331333133313331333133312111133132223132   >>