ぷちプロシリーズ（２４） １５パズル解答案鑑賞

[About this application]
You will appreciate the 15 puzzle solution suggestions and provide hints for the shortest steps.

[Features]
・ We will answer questions on 3 levels of difficulty.
-You can also give a question for the longest length (80 steps).
・ You can input 15 puzzles and let the app solve them. However, due to the speed of the solution, it may not be the shortest step.
・ We can reproduce answer example automatically and can appreciate how to solve.

[How to use]
1. Questions
・ Please select the difficulty of the problem from the pull-down on the top left.
・ You can also select "Longest".
・ Please tap the "Question" button.

2. Enter an existing issue
・ Select "Create by yourself" from the top left pull-down.
・ Please tap the "Question" button.
・ Please tap a cell in order of 1 to 15.

3. User answers
・ Tap and move the number next to the blank cell.
・ You can try again by tapping the "From the beginning" button.

4. App answers
・ Please tap the "Example solution" button. The progress bar on the right (up to 100 steps) will advance.
・ When the answer example is created, the number of steps and the number to tap are displayed.
・ Tap the "Play" button to play the answer example automatically.
・ Tap the "Stop" button to stop the automatic playback of the answer example.