C111123313121111121111331333133313331322121111331333133313331333211232313221   >>    C11112331312111112111133133313331333132212111133133313331333133321123231322   <<    C111123313121111121111331333133313331322121111331333133313331333211232313223   >>      C111123313121111121111331333133313331322121111331333133313331333211232313222   >>