#include<bits/stdc++.h>
#define REP(i,n) for(int i=0,i##_len=(n);i<i##_len;++i)
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
#define All(x) (x).begin(),(x).end()
using namespace std;
using ll = long long;

int main(){
    ll N,K;cin>>N>>K;
    if((N*(N+1)/2)%K!=0){
        cout<<"No"<<endl;
        return 0;
    }
    ll cnt=N/K;
    REP(i,K){
        REP(j,cnt/2){
            cout<<(N/K)*i+j+1<<" "<<N-(N/K)*i-j;
            if(j==cnt/2-1) cout<<endl;
            else cout<<" ";
        }
    }
}