const {allPermutations} = require("all-permutations")
console.log(new Set([1, 2, 3]));
/*
[
	[ 1, 2, 3 ],
	[ 1, 3, 2 ],
	[ 2, 3, 1 ],
	[ 2, 1, 3 ],
	[ 3, 1, 2 ],
	[ 3, 2, 1 ]
]
*/