Subway Puzzle

8 cities, 8 starting position for each of them. 
Total 64 challenges ranging from Easy to Hard. 
The object of the game is for the player to turn the switches until a metro can ride over the tracks in the order indicated on the challenge card. 
Metro train cannot take shark turn ir go forward and then turn-back. 
Keeping these rules in mind, one has to solve each puzzles. 
</br><a href="https://iqbox.in/how.html">Terms & Conditions</a> 
</br><b><u>How to Play</u></b> 

<iframe width="560" height="315" src="https://www.youtube.com/embed/HJXVz7yO2u0" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>&nbsp;