This puzzle has a simple objective but is deceptively tricky to solve. If you solve it, will you remember how you did it?

OBJECTIVE

Move all the blue pieces to the blue squares. Move all the red pieces to the red squares.

RULES

1. Pieces can only move in the direction indicated by the arrow.
2. A piece can move 1 space to the vacant spot, or jump over 1 piece to the vacant spot.