Nine interlinked sliders move together, and the drawers open on the 9th and 1,021st moves. Using the mechanism of Aquarius Drawer (RF‑55), this piece finally realizes the “further extensions are possible” idea noted at its 2017 release. The move count follows "2 x 2^9 - 3,” and AI says the structure relates to binary logic. The solution is a single but very difficult path, and you can easily lose track of position and orientation. A compass-style progress checklist is included—good luck.