Could you show your working out? I read the question wrong with 10 steps but with 15 steps, this is my working out:
15 Steps
3 Step // 1 Step
5 // 0 = 1 Way
4 // 3 = 35 Ways
3 // 6 = 84 Ways
2 // 9 = 55 Ways
1 // 12 = 13 Ways
0 // 15 = 1 Way
Therefore 189 ways.