chart for Pick 3

to get 27 possible combinations out of 3 numbers per positions do this

pos.1 pos.2 pos.3

0 1 2

3 4 5

6 7 8

so, you get: 012,015,018 - 042,045,048 - 072,075,078 - 312,315,318 - 342,345,348 - 372,375,378, 612,615,618 - 642,645,648 - 672,675,678 = 27 combinations

good luck!