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By definition, every NBA team has a premier five-man lineup.

Some have struggled, either because they're incapable of scoring points in efficient fashion or because they have no idea how to prevent their opponents from doing exactly that. Others have thrived during the early portion of the 2017-18 campaign, displaying unparalleled levels of chemistry as they torment rival teams.

But how does each squad's best unit stack up?

We're turning to the numbers for the early answer to that question, weighing both volume and efficiency to get a lineup score. The calculation is simple: Take each group's net rating and multiply it by the number of minutes spent on the floor. You're rewarded for high levels of performance, or for maintaining more moderate numbers over lengthier durations.

Of course, there's a catch. In order to weed out the extreme small-sample flukes, we're only looking at lineups that have logged at least 20 minutes together in 2017-18. Yes, that means some teams might not have a single quintet with a positive score.

Three of them fall into that category, and it's there we begin our quest for five-man supremacy. Proceed with caution. Some of these results may surprise you.