Frog Puzzle Solution

Solution to the Frog Puzzle.
As always first try solving without looking at the solution..:)..Its fun.

Here is the objective of this puzzle:
Swap the frogs. 3 from the left have to jump on the 3 stones on the right and vice versa.
Each frog can jump just on the adjacent stone or jump over another frog if there is an empty stone behind it.