#include<iostream> using namespace std; int n; int sum,a[105]; bool b[105],c[105],d[105]; void print() { sum++; if(sum<=3){ for(int k=1;k<=n;k++) { cout<<a[k]; if(k!=n)cout<<" "; } cout<<endl; } } int dfs(int i) { if(i>n){print();return 0;} else for(int j=1;j<=n;j++) if((b[j]==0)&&(c[i+j]==0)&&(d[i-j+n]==0)) { b[j]=1;c[i+j]=1;d[i-j+n]=1; a[i]=j; dfs(i+1); b[j]=0;c[i+j]=0;d[i-j+n]=0; } } int main() { cin>>n; dfs(1); cout<<sum; }