C111123313121111121111331333133313331323232133113313231333133313231311111   >>    C11112331312111112111133133313331333132323213311331323133313331323131111   <<    C111123313121111121111331333133313331323232133113313231333133313231311113   >>      C111123313121111121111331333133313331323232133113313231333133313231311112   >>