Lecture 4 - Chapter 6: https://expl.ai/HVTTMGL - Examples for chapter 6: https://expl.ai/MPCKNBD - Chapter 7: https://expl.ai/TXKWCJC Lecture 5 - Chapter 29: https://expl.ai/MZNXZLS - Painting the cube, an algebraic approach: https://expl.ai/NYCAGSU Lecture 6 - Chapter 8: https://expl.ai/FYCELHJ - Chapter 12: https://expl.ai/BNKJRLP - Chapter 13: https://expl.ai/BJSWAFW Lecture 7 - Chapter 14: https://expl.ai/KUFTEKP - Chapter 16: https://expl.ai/YQUAZYQ Lecture 8 - Chapter 17 and 22: https://expl.ai/YKECYRG Recordings of 2017 - 2018: https://vimeo.com/album/5025664 (Password Algebra2018)