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The output of your command "$ ls -li *.html | cut -c1-" is:

2788584 -rw-r--r-- 1 www-data www-data 306262 Apr 17  2021 Solaris.html
2754499 -rw-r--r-- 1 www-data www-data   1025 Jan 18 13:16 contact.html
2783618 -rw-r--r-- 1 www-data www-data   9067 Apr 17  2021 head.html
2775046 -rw-r--r-- 1 www-data www-data    318 Apr 17  2021 index.html
2775049 -rw-r--r-- 1 www-data www-data   1057 Apr 17  2021 tail.html