Gemara Shabbat 51b-52a: Levi's "apology" highlights the nuance one should have to not re-offend.

2 sections- hatmana on Shabbos if negated proper hatmana before and hatmana for cold (retain coolness), Tosefta with series of laws of hatmana (adding layers/switching material, muktzeh materials)

2 sections- facial washes that do not remove hair and issue of "lo yilbash", not moving the gizei tzemer/dirt and "k'lachar yad"

The story of the complaints of the Jews highlights the basis to fixing our challenges, through identifying the underlying issue.

2 sections- changing branches from muktzeh to chair for Shabbat use, usage of dirt without action and issue of smoothing vessels/removing hair

Different nusach in temple/gevulin and repetition of order of fast day blessings

2 sections- further story and discussion of 3 Rabbi's about source for 39 melachot of Shabbat, when gizei tzemer for hatmana are/are not muktzeh (and pshat in Mishna)

Chazara- 19 sections

3 sections- further materials for hatmana (clothing, etc.) and incident of Elisha ba'al kenafayim, hides and pieces of wool and protocol, debate about moving hides of "uman"

Qualities for appropriate Chazzan on Ta'anuyot and regularly