#include #include using namespace std; vector v; int ans4[15] = {0,0,0,1,1,2,1,3,4,4,2,3,3,2,4}; int ans5[18] = {0,0,0,1,1,2,1,2,3,4,5,2,3,3,4,4,5,5}; int solve(int n){ int i; if(n==4){ for(i=0;i<15;i++) v.push_back(ans4[i]); return -1; } if(n==5){ for(i=0;i<18;i++) v.push_back(ans5[i]); return -1; } if(n&1){ int k = n/2; for(i=n;i>=k + 3;i--){ v.push_back(i); v.push_back(i); } v.push_back(k + 2); v.push_back(k); v.push_back(k + 1); v.push_back(k + 1); v.push_back(k); for(i=n;i>=k + 1;i--) v.push_back(i); v.push_back(k + 2); v.push_back(k); return k - 1; } if(!(n&1)){ int k = n/2; for(i=n;i>=k;i--){ v.push_back(i); v.push_back(i); } for(i=n;i>=k;i--) v.push_back(i); return k - 1; } } int main(){ int n; cin >> n; n--; if(n==1){ cout << -1 << endl; return 0; } while(n!=-1){ n = solve(n); } for(int i=0;i