Chess Puzzle - Moves CBK

This is a logic puzzle based on standard chess moves. The goal is to rearrange the pieces from a specific starting position until each type of piece occupies one full row. There are 6 different challenges depending on the final order you choose.
Easy: Knights on top, Castles in middle, Bishops on bottom.
Difficult: Castles on top, Bishops in middle, Knights on bottom.

Assembly Note:
To complete the puzzle, you must print the attached PDF file. This document contains the board layout and the instructions, which should be cut and glued onto the 3D-printed base for a clean, professional finish.
What to Print:
The Base: The main frame for the puzzle.
The Pieces: You will need a set of Knights, Castles (Rooks), and Bishops (ensure they fit the scale of the board)
The PDF: Print it at 100% scale to match the dimensions of the printed base.

Can you solve all 6 combinations? Download, print, and test your skills!