Strategy in multiple randori?

When doing multiple-opponent randori, say against 3 or 4 or 5 opponents, what are your favorite strategies?  Do you prefer to try to work around the edges or to scatter the opponents out and work the center?  Do you try to take out the biggest/toughest opponent or the smallest/fastest first?  What have you found that works for you?

[Photo courtesy of Act, Don't Think]

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Patrick Parker
www.mokurendojo.com