C111123313121111121111331333133313331333133313331333133312111133132311312221   >>    C11112331312111112111133133313331333133313331333133313331211113313231131222   <<    C111123313121111121111331333133313331333133313331333133312111133132311312223   >>      C111123313121111121111331333133313331333133313331333133312111133132311312222   >>