function getDist(num) {
	let sqrt = Math.ceil(Math.sqrt(num));
	let sideLengthOfSq = (sqrt % 2 === 0 ? sqrt + 1 : sqrt);
	let highestNumInSq = sideLengthOfSq * sideLengthOfSq;
	let targetDistFromCorner = (highestNumInSq - num) % (sideLengthOfSq - 1);
	let targetDistFromSideCenter = Math.abs(targetDistFromCorner - Math.floor(sideLengthOfSq/2));
	const closestDistFromSq = (sideLengthOfSq - 1) / 2;
	return closestDistFromSq + targetDistFromSideCenter;
}