There´s a loop in the Lion rules. To solve this, the designer came up with the following additional rule:
19.8 Overwhelming Numerical Advantage
During Raid Phase Step 8, Hunter Interception:
If there are five or more squadrons in the hunt box AND squadrons outnumber fighter gruppen by 2:1 or more, you MUST move excess squadrons to the bomber box until there are less than five squadrons in the Hunt Box or the ratio of squadrons to fighter Gruppen is less than 2:1. Then follow the instructions in 9.1 for Fewer Gruppen than Squadrons.