package main

import (
	"fmt"
	"strconv"
	"strings"
)

func main() {
	var N, D, K int
	fmt.Scan(&N, &D, &K)
	total := 0
	lastChoice := 0
	for k := 1; k <= K && lastChoice <= N; {
		total += (lastChoice + 1)
		if total > D {
			break
		}
		lastChoice++
		k++
	}
	diff := D - total
	if diff < 0 {
		fmt.Println(-1)
		return
	}
	endNum := N + 1
	midChoice := 0
	for i := 0; i < K; i++ {
		if diff - (endNum - 1) >= 0 {
			diff -= (endNum - 1) - lastChoice
			lastChoice--
			endNum--
		} else if diff > 0 {
			midChoice = lastChoice + diff
			lastChoice--
			diff = 0
		}
	}
	if diff > 0 {
		fmt.Println(-1)
		return
	}

	ans := make([]int, 0)
	for i := 1; i <= lastChoice; i++ {
		ans = append(ans, i)
	}
	if midChoice > 0 {
		ans = append(ans, midChoice)
	}
	for k := endNum; k <= N; k++ {
		ans = append(ans, k)
	}
	PrintI(ans...)
}

func PrintI(args ...int) {
	fmt.Println(strings.Join(mapToString(args), " "))
}

func mapToString(arr []int) []string {
	ret := make([]string, len(arr))
	for i := 0; i < len(arr); i++ {
		ret[i] = strconv.Itoa(arr[i])
	}
	return ret
}