Welcome also..
3PDT switch numbering can be like below:

Of course, flipping it 180
0, 9 goes to 1, 8 goes to 2, 6 goes to 4, etc
(the only fixed lug is the middle one, No 5)
It's precise orientation doesn't actually matter, 'cause its button is always "up" after pushing it down..
(On-On..)