I knew such a strong statement would raise many question...
if you've learned Cumbenatorics, you'd know that the number of arangement of a set of object is (ammount of the objects)! and a factorial is a multiplication of all the natural numbers from 1 to the number next to the '!', therfore 3! = 1*2*3 = 6 ...
The limitation so far of 60961 bytes is because meanwhile it works only for the first cicle, more than that i'll add when this part shall work properly.