Instructions:

1. Goal is to set one of each number (1-9) in each row, each column and each group of 9 cells (9 groups)
2. Select cells by mouse click and/or arrow keys
3. Make notes by pressing {SHIFT]+[Number]
4. Adjust note "brightness" using the Notes Dimmer
5. Holding down the [SHIFT] key will show Notes at full brightness (hint: set to full dim and use shift to "peak")