You have to control the color plaid moving encounter with the absorption of other colors and color when all colors are sucked on clearance. There are different provisions in the state to move in different colors: blue can only move left and right, the red can only move up and down, but you can only move the yellow, you want to find the right criss-cross lattice moving route, beginning quite suited to understand the principles after the discovery kinda fun, but not simple.
