Video 1. Video outlining the 18 unique A presses missing for 120-stars at the time. This was superseded later. with many other discoveries. Source. The 23 Remaining A Presses by Pannenkoek2012 (2018)Video 2. Watch for Rolling Rocks 0.5x A Presses by Pannenkoek2012 (2016) Source. This is one of the most elaborate explained videos.
Ciro Santilli