Under his touch, the solid rows of colors began to swirl like oil on water. The 441 stickers on the front face multiplied. He wasn't looking at a 21x21 anymore; it was growing, dividing, becoming an —a variable that reached toward infinity.
A well-structured PDF would include:
Rubik's cube, the primary solving method is Reduction (Redux) Xnxnxnxn Cube Algorithms PDF Nxnxn Rubik Cube...