RailBox Burr Puzzle - Level 18

This is a burr puzzle, which is a puzzle made of pieces with different notches, that interlocks with each other, where the goal is to disassemble all the pieces.

These puzzles have been usually made by hand out of wood, what cause them to be quite pricey, but now, with 3D printers, we have the chance to get them at a much lower price (of course, due to tolerances, handmade wood ones might have better quality).

The so called "level of the puzzle", refers to the minimum number of movements t