Square-1 Cube Puzzle - An overview and Beginner's Solution
Basic Parity | andrewknelson.com
After 10 days of solving the Square-1 intuitively, I've encountered parity. Is there any way to do this intuitively or should I just find an algorithm on the internet? : r/Cubers
Announcement: New Square-1 EP and PLL trainer : r/Cubers
Square-1 | Rubik's Cube Wiki | Fandom
Parity or: How I Learned to Stop Worrying and Love the 4×4 – adventures in cubing