This was a relatively simple problem. I was happy to see my 10 year old, Arushi, solve this one. I also got correct answers from Karan Sharma, Mahi Saraf, Anahat Prakash, Pooja Goyal, Pratik Poddar and Suman Saraf. Well done everyone!
There are two possible solutions, though both have the same basis and are just vertically flipped solutions. Here is the answer:
Here is a quick explanation, copied from Pratik Poddar: