Move the pieces

1. To move a piece from place to place of the game zone, he owes cliking and drag with the mouse the piece wished. Getting the pieces of the game zone out is not possible. When releasing the button, if the piece remains with some of his vertices close to the vertex of other piece, that will notice the piece of "drawback." This effect, that her correct solution facilitates figures, he can avoid pressing the Ctrl key before releasing the button from the mouse.
2. Rotate a piece. In the childlike, novice and initiated levels, enough cliking the mouse right button on a piece so this turns. In the expert level case, to turn a piece he owes cliking and drag the mouse in the wished turn sense. If the piece is very close to the game zone limits that I do not turn is possible because of which that the pieces go out from the game zone is not possible.
3. Flip. Cliking with the central button of the mouse gets the piece symmetry. If the mouse has not central buttonthe, press the Ctrl key and the mouse right button will get the same effect. That consults the section symmetry of the pieces for more details.

You can also move and rotate the pieces using only the left button. This is useful if the program is used in a touch screen. In this case, you should select the piece (clicking on) and to move it, click on the center circle and drag. If you want turn the piece, click over to the right of the center circle to rotate in the clockwise clock, and left to rotate counterclockwise to clockwise.