#include <bits/stdc++.h>
using namespace std;
const int T = 1e5 + 100;
void myone() {
  int n, d, l;
  cin >> n >> d >> l;
  vector<int> ans;
  for (int i = 0; i < n - 1; i++) {
    if (d > 0) {
      ans.push_back(l);
      d = l - d;
    } else {
      ans.push_back(1);
      d = 1 - d;
    }
  }
  if (d <= l && d >= 1) {
    for (int i = 0; i < n - 1; i++) cout << ans[i] << " ";
    printf("%d\n", d);
  } else {
    cout << -1 << endl;
  }
}
int main() {
  int t = 1;
  while (t--) {
    myone();
  }
}
