Learn the גמרא דף יא: “ר’ אליעזר אומר (two dots – three lines from bottom of the Amud) until דף יב. “אמר מר (twelve lines from top of Amud)
Questions:
Is ר’ אליעזר in accordance with ב”ש or ב”ה?
See רבינו יהונתן
https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=330
What is the meaning of ר’ אליעזר response “יסתום ומה בכך”?
The Gemara quotes the opinion of רשב”ג that ב”ש agrees to ב”ה when the width of a Mavui is less than four Amos only a Lechi is required.
What connection does this have to the question the gemara asked whether ר’ אליעזר requires just two lechi’s or also a Korah?
How does the Gemara conclude as to what is opinion of ר’ אליעזר?
Learn “ח’ ר”ן דף יב. “אי who addresses these questions
Continue learning the Gemara until דף יב. “אמר רב ששת (middle of the Amud)