#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <utility>
#include <functional>
#include <cstring>
#include <queue>
#include <stack>
#include <math.h>
#include <iterator>
#include <vector>
#include <string>
#include <set>
#include <math.h>
#include <iostream> 
#include<map>
#include <iomanip>
#include <stdlib.h>
#include <list>
#include <typeinfo>
#include <list>
#include <set>
using namespace std;
#define MAX_MOD 1000000007
#define REP(i,n) for(long long i = 0;i < n;++i)
#define LONG_INF 8000000000000000000
int main(){
	long long n, k;
	cin >> n >> k;
	vector<long long> ans;
	ans.push_back(0);
	for (int i = 1;i < n-k;++i) {
		if (i % 2 == 0) {
			ans.push_back(i);
		}else{
			ans.push_back(i + 2);
		}
	}
	for (int i = n - k;i < n;++i) {
		ans.push_back(ans[n - k-1]);
	}
	if (ans.size() > n) {
		cout << -1 << endl;
		return 0;
	}
	REP(i, ans.size()) {
		cout << ans[i] << " ";
	}
	cout << endl;
	return 0;
}