#include <bits/stdc++.h>
using namespace std;
void Fast_Read_Out() {
  ios_base::sync_with_stdio(0);
  cin.tie(), cout.tie();
}
void Random() {
  unsigned int seed;
  asm("rdtsc" : "=A"(seed));
  srand(seed);
}
unsigned int Time() {
  unsigned int time = clock() / 1000.00;
  return time;
}
const int inf = int(1e9) + 123;
const int N = int(1e5) + 123;
int a[N];
int main() {
  Random();
  Fast_Read_Out();
  int n, d, l;
  cin >> n >> d >> l;
  for (int i = 1; i <= n; i++) a[i] = 1;
  int sum = 0;
  for (int i = 1; i <= n; i++) sum += (i & 1 ? 1 : -1);
  for (int i = 1; i <= n; i++) {
    while (a[i] < l && i % 2 == 1 && sum < d) a[i]++, sum++;
    while (a[i] < l && i % 2 == 0 && sum > d) a[i]++, sum--;
  }
  if (sum == d)
    for (int i = 1; i <= n; i++) cout << a[i] << ' ';
  else
    cout << -1 << endl;
}
