naive shuffling has No bias, despite furious insistance to the contrary;

this implimentation of the ggo algorithm demonstrates that outcomes from the most blatantly amateur method of rearrangement can not be distinguished from random - besides the obvious fair distribution seen in these histograms, data from the trials easily passes a runs test [among other flavors of random candy]; it neither displays a preference for any particular permutation nor contains any cyclical pattern

but you insist upon using some silly fores fiasco! well then, at least compose it in some reasonable, forward iterating, and concise manner, you fool:

귀찮으시면 짧게 요약만 해주셔도 됩니다

자바쪽 공부를 하고 있는데 제게 꼭 필요한 정보라서요 ㅠㅠ