G17 and G11 : 5 seconds total or 5 seconds at a time?

[XaulZan11]

G17. Opponent’s KEY: a no parking zone. A ROBOT may not be in their opponent’s KEY for more
than five (5) seconds (if the ROBOT is breaking the plane of the line with BUMPERS, it is
considered in the KEY).
Violation: FOUL. For every five (5) seconds in which the situation is not corrected, FOUL

Pinning rules (G11) has similar verbiage.

Does this mean a robot can sit in the opponent's KEY for 4 seconds, completely exit it, and sit back in for 4 more seconds? Based on the rules, this would not be legal since the robot would be in the opponent's KEY for 8 seconds. But, based on previous games, the counter re-sets after exiting the zone or completing the pin.