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Question: How do I create combinations according to a certain order?

Question:How do I create combinations according to a certain order?

lettie079 35 Maple
combination
July 15 2013
1

I'm very new to Maple and can't figure out how to do this:

I have these possibilities:

for 1 - [1],[2],[3]

for 2 - [1,2],[2,1],[1,3],[3,1],[2,3],[3,2]

for 3 - [1,2,3],[2,3,1],[3,1,2],[3,2,1],[2,1,3],[1,3,2]

and I want to find all the possible combinations when they are in, say, the order of [3,2,1]

eg.

[[1,2,3],[1,2],[1]],

[[1,2,3],[1,2],[2]],

[[1,2,3],[1,2],[3]], 

[[1,2,3],[2,1],[1]]

etc.
How would I go about coding that?

Thank you 
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