Separated by a screen, neither side choosing the spheres could see the other's selection. Number 73 loudly said, "Friend, let's both choose white balls, it's safe for everyone if we do, and this round, whoever goes on the mission is up to luck!"
The black, white, and yellow balls represented task difficulties of 75%, 25%, and 50% respectively.
If both sides chose a white or a black ball simultaneously, the task difficulty would be the same, and who went first would be randomly chosen. In this scenario, choosing white balls was the safest bet.
