: Match up all edge "wing" pieces of the same colors until they form a single solid edge unit .
The extra "xn" in "xnxnxnxn" is sometimes a typo or an intentional emphasis on the variable N. In algorithm research, stands for:
You won’t find a single PDF that lists every algorithm for a 100x100 (that would be billions of moves). However, you find PDFs that teach the reduction method , which works for all even and odd NxN cubes.
=== 5x5x5 Last Two Edges === ...