Ninja Mahjong

Some rival ninjas have come into your dojo and made a mess of your mahjong pieces. Use your ninja skills to match the pieces and clear the dojo as quickly as you can in this classic version of Mahjong.
The goal is to remove all 144 tiles from the board. You may only remove free paired tiles. A tile is free when no other tile is bordering it on the left and/or right side of it and no other tile is laying on top of or partially covering it. A pair consist

{“fire”: “na”, “jump”: “na”, “movement”: “na”}