Catherins attempt at lawyering

[Juryiel]

In the one case, a mob spawns almost exactly every 3 days. In the other case, the mob may spawn at day 4, but may also spawn at day 2. As long as that spawn is locked to class R for 6 hours, some R guild will get it 90% of the time or more, even if it isn't the one currently up on rotation.