Object: Eliminate all signs in the spiral.

Click the board to let Zillions randomize the setup. Ten groups of up to four symbols will appear on the righ border. Also, the spiral path on the left side will be filled with icons.

You have to find out which sequences the spiral is made of.
Click a black button to select a group of icons. This group should be the one which starts the spiral at the top left corner. The corresponding icons will the disappear from the spiral.

You win when you have managed to empty the spiral of icons.

Variants:
The default variant is easy.
There are four other variants (with increasing difficulty) available on the 10x10 board.
There are also five variants on a 15x15 board.

Please note that there are four alternative piece sets available!