#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define in insert
#define lb lower_bound
#define F first
#define S second
#define sz size()
#define int long long
#define all(v) v.begin(),v.end()
#define FOR1(x, n) for(int j = x; j <= n; j ++)
#define FOR(x, n, m, d) for(int x = n; x <= m; x += d)
#define FORR(x, n, m, d) for(int x = n; x >= m; x -= d)
#define nikita ios_base::sync_with_stdio(0), cin.tie(0);
const int N = 3e5+5;
int n,m,k,sum=0,x,y, ans, r, cnt, l, mod = 1e9+7, a[N], b[N];
string s, str;
set<pair<int, int>>st;
vector<pair<int, int>>v;
void yzero(){
l = 1, r = 1e10;
cnt = 0;
while(l <= r){
ans = 0;
int md = (l + r) >> 1;
FOR(i, 1, n, 1){
cnt++;
pair<int, int>ko = *st.lb({md + a[i]+1, i});
if(ko.S==1e10)ko.F = v[v.sz-1].F, ko.S = n;
else ko.F = v[ko.S-2].F, ko.S--;
ans += (ko.S - i);
}
if(ans >= m)r = md - 1;
else l = md + 1;
}
multiset<int>st1;
FOR(i, 1, n, 1){
pair<int, int>ko = *st.lb({l + a[i]+1, i});
if(ko.S == 1e10)ko.F = a[n], ko.S=n;
else ko.F = v[ko.S-2].F, ko.S--;
FOR(j, i+1, ko.S, 1)st1.in(a[j]-a[i]);
}
for(auto i : st1){
cout << i << '\n';
m--;
if(!m)break;
}
}
void solve(){
cin >> n >> m;
FOR(i, 1, n, 1)cin >> a[i] >> b[i], v.pb({a[i], b[i]});
if(n>1000){
sort(all(v));
FOR(i, 1, n, 1){
st.in({v[i-1].F, i});
}
}
if(n < 1000){
multiset<int>lp;
FOR(i, 1, n, 1){
FOR(j, i+1, n, 1)lp.in(abs(a[i]-a[j]) + abs(b[i]-b[j]));
for(auto i : lp){
cout<<i<<'\n';
m--;
if(!m)return;
}
}
}
FOR(i,1,n,1)a[i] = v[i-1].F;
st.in({1e10, 1e10});
yzero();
}
signed main(){
nikita
int tt = 1;
if(!tt)cin >> tt;
FOR(i, 1, tt, 1)solve();
}
