A three part drill. On whistle...

F1 goes near net for shot; F2 and F3 attack D1 2vs 1 to far end.
After shooting, F1 swings, receives pass from Coach, and will pass this puck to D1, starting a regroup back to the original end.
F1 F2 F3 and D1 attack D2 and D3 4 vs 2.
F4 F5 F6 and D4 start in opposite direction.