C111123313121111121111331333133313331322121111331333133313331322212121   >>    C11112331312111112111133133313331333132212111133133313331333132221212   <<    C111123313121111121111331333133313331322121111331333133313331322212123   >>      C111123313121111121111331333133313331322121111331333133313331322212122   >>