Hi Neha, I know I am spoiling the fun of others by telling the answer. But a puzzle without an answer is boring at times. So here's the answer. Enjoy!
0 - 13 - 7
7 - 13 - 0
19 - 1 - 0
12 - 1 - 7
12 - 8 - 0
5 - 8 - 7
5 - 13 - 2
18 - 0 - 2
18 - 2 - 0
11 - 2 - 7
11 - 9 - 0
4 - 9 - 7
4 - 13 - 3
17 - 0 - 3
17 - 3 - 0
10 - 3 - 7