NEW YORK — This is what it looks like when Brooklyn’s Big Three is firing on all cylinders. Kevin Durant shooting over defender after defender. Kyrie Irving contorting his body with the ball in his hands, either in mid-air or in mid-crossover. Ben Simmons crashing the boards and pushing the pace, finding shooters in transition. And the Nets eeking out a close-call victory over a quality opponent. After getting absolutely embarrassed in their season-opening blowout loss to the New Orleans Pelicans — a team Irving decreed a championship contender “for the next few years” — the Nets strung togeth…