Butterfly Sort Puzzle

Various kinds of butterflies sitting on leaves.Shy butterflies can only fly next to friends of the same kind.Bring its friends to one leaf and fly them together~
Let's guide various types of butterflies by clicking them and arrange all the butterflies so that four butterflies of the same type gather on a single stem.

Let's guide various types of butterflies by clicking them and arrange all the butterflies so that four butterflies of the same type gather on a single stem.