#include <iostream>
#include <vector>
using namespace std;
typedef long long LL; 
int main(int argc, char* argv[])
{
	int N,i,j;
	cin>>N;
	vector<LL> Y(N);
	LL Sum=0;
	bool bSame=true;
	for (i=0;i<N;i++){
		cin>>Y[i];
		Sum+=Y[i];
		if (Y[i]!=Y[0]){
			bSame=false;
		}
	}
	if (bSame){
		cout<<1<<endl;
		return 0;
	}
	LL MinV=Sum;
	for (i=0;i<N;i++){
		for (j=0;j<N;j++){
			if (i==j){
				continue;
			}
			LL ijSum=0;
			for (int k=0;k<N;k++){
				if (k==i || k==j){
					continue;
				}
				LL ii=Y[i]-Y[k];
				if (ii<0){
					ii=-ii;
				}
				LL jj=Y[j]-Y[k];
				if (jj<0){
					jj=-jj;
				}
				if (ii<jj){
					ijSum+=ii;
				}else{
					ijSum+=jj;
				}
			}
			if (MinV>ijSum){
				MinV=ijSum;
			}
		}
	}
	cout<<MinV<<endl;
	return 0;
}