Coin sliding solution

See the original puzzle

This puzzle can be solved in 4 steps.

1. Slide coin 4 next to 5 and 6.
2. Slide coin 2 next to 4 and 5.
3. Slide coin 5 next to 1 and 3.
4. Slide coin 1 next to 2 and 5.

Alternate solution:

1. Slide coin 2 next to 4 and 5.
2. Slide coin 3 next to 5 and 6.
3. Slide coin 5 next to 1 and 4.
4. Slide coin 1 next to 5 and 6.