↑ • ↓ —	↑ • ↓ —	↑ • ↓ —	↑ • ↓ —	↑ • ↓ —
P Preparatory Signal.	I Rule 30.1 is in effect.	Z Rule 30.2 is in effect.	U Rule 30.3 is in effect.	Black flag Rule 30.4 is in effect.