#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, l, d;
  cin >> n >> d >> l;
  int odd = (n + 1) / 2, even = n / 2;
  if (odd > d + (l * even) || odd * l < d + even) {
    cout << "-1";
    return 0;
  }
  int *arr = new int[n + 1];
  for (int i = 0; i < n + 1; i++) arr[i] = 1;
  if (odd < d + even) {
    int val = abs(odd - d - even), i = 1;
    while (val > 0) {
      if (arr[i] == l) {
        i += 2;
      } else {
        arr[i]++;
        val--;
      }
    }
  } else if (odd > d + even) {
    int val = odd - d - even, i = 2;
    while (val > 0) {
      if (arr[i] == l) {
        i += 2;
      } else {
        arr[i]++;
        val--;
      }
    }
  }
  for (int i = 1; i < n + 1; i++) {
    cout << arr[i] << " ";
  }
  return 0;
}
