C111123313121111121111331333133313331323232133113313231333133313121111122111   >>    C11112331312111112111133133313331333132323213311331323133313331312111112211   <<    C111123313121111121111331333133313331323232133113313231333133313121111122113   >>      C111123313121111121111331333133313331323232133113313231333133313121111122112   >>