There are 7 people numbered as 1 to 7

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There are 7 people numbered as 1 to 7.
The number denotes their height.
Arrange them in a line in such a manner so that the line appears in alternative of their heights, eg. one short then long, again short then long.
The condition is that, if a member is omitted from the line one by one (remove 1, then 2, then 3), then too the order of their height remains alternative.

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1-4-3-7-5-6-2

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