#include <bits/stdc++.h>
using namespace std;
struct Y {
  int x, y;
};
bool cmp(Y i, Y j) { return i.x < j.x; }
int main() {
  int n, d, l, a[110];
  cin >> n >> d >> l;
  for (int i = 0; i < n - 1; i++) {
    if (d <= 0) {
      a[i] = 1;
      d = a[i] - d;
    } else {
      a[i] = l;
      d = a[i] - d;
    }
  }
  if (d < 1 || d > l)
    cout << -1 << endl;
  else {
    for (int i = 0; i < n - 1; i++) {
      cout << a[i] << " ";
    }
    cout << d << endl;
  }
  return 0;
}
