what happens in the field, most gambling platforms or gambling websites use the third pattern by giving a win first to increase the appetite of the players after they are confident with the win, so that players go all-in in the game and in the end it is a loss that picks them up.
from distortion 1-4 is a form of how to play someone's lust so that players want to get more and easier profits.
Basically gambling is a vicious circle, winning is addicted and losing is curious.