How To Solve a 15 Puzzle Blindfolded

In case anyone wanted to learn how to solve this puzzle blindfolded, here s how you can do it too 0:14 Notation 1:42 How to Solve All Tiles Besides 4, 8, 11, 12 4:46 How To Solve Tiles 11 and 12 6:39 When Tile 15 Gets Solved 7:37 How To Solve Tiles 4 and 8 8:47 Walkthrough Solve 13:23 Note on Memorization Algorithm for Tile 8 (make location 16 empty): D2 R U2 L D R D L U R U L Algorithm for Tile 4 (make location 16 empty): D3 R U3 L D2 R U2 L D2 R D L U R U2 L D R D L U2 If you guys have ideas for f