I'm no expert but really doesn't seem hard. Have someone pressure Pettersson/Miller and they'll pass it back to the point. If Hughes has it, stand in the shooting lane and he'll pass it to Miller/Pettersson most of the time. The 3 others create a triangle to box out Kuzmenko and Horvat while closing the passing lanes across and you'll basically nullify PP1.
No creative plays whatsoever and this has been going on for years. We thought it was Newell Brown but it obviously isn't. They did have some success down the stretch last season, but it's enough time for any team to create a PK strategy.