package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)
var rdr = bufio.NewReaderSize(os.Stdin, 1000000)

func main() {
	sc.Split(bufio.ScanWords)
	n, d, k := nextInt(), nextInt(), nextInt()
	ans, sum := make([]int, k), 0
	for i := range ans {
		ans[i] = i + 1
		sum += i + 1
	}
	if sum > d {
		fmt.Println(-1)
		return
	}

	if sum == d {
		s := fmt.Sprint(ans)
		fmt.Println(s[1 : len(s)-1])
		return
	}

	for i := k - 1; i >= 0; i-- {
		supple := d - sum
		if n-(supple+ans[i]) >= 0 {
			ans[i] = supple + ans[i]
			s := fmt.Sprint(ans)
			fmt.Println(s[1 : len(s)-1])
			return
		}

		sum += n - ans[i]
		ans[i] = n
		n--
	}
	fmt.Println(-1)
}

func nextLine() string {
	sc.Scan()
	return sc.Text()
}

func nextInt() int {
	i, _ := strconv.Atoi(nextLine())
	return i
}