C111123313121111121111331333133313331323231333133313113313221211111   >>    C11112331312111112111133133313331333132323133313331311331322121111   <<    C111123313121111121111331333133313331323231333133313113313221211113   >>      C111123313121111121111331333133313331323231333133313113313221211112   >>