Test it like a player
Four people hold one switch each. The lock opens on the third, first, fourth, second.
The same switches, but the order counts. This is the mechanic that stops one person doing everything: being right in the wrong order still fails, so the group has to agree first.
Create a free lock →Ordered switches
Flip 5, then 3, then 1.
Flip the switches in order
Four people hold one switch each. The lock opens on the third, first, fourth, second.
Choose how many switches, then flip them in the intended order.