#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
using ll=long long;
using pii=pair<int,int>;
using vi=vector<int>;
using vl=vector<ll>;
#define pb push_back
#define all(a) begin(a),end(a)

const int N=1000010,MOD=1e9+7,L=20,M=1<<L;
const char en='\n';
const ll LLINF=1ll<<60;

int l,r,ms,cu;
vector<pii> ch[N];

void g1(int l,int r,int lo=0,int hi=M,int i=1)
{
	if (lo>=l && hi<=r)
	{
		ms=max(ms,L-__lg(i));
		return;
	}
	if (lo>=r || hi<=l) return;
	int mid=(lo+hi)/2;
	g1(l,r,lo,mid,i*2);
	g1(l,r,mid,hi,i*2+1);
}

void g2(int l,int r,int lo,int hi,int la,int kak,int d)
{
	if (lo>=l && hi<=r)
	{
		ch[la].pb({d,kak});
		return;
	}
	if (lo>=r || hi<=l) return;
	int mid=(lo+hi)/2;
	if (!(mid<=l))
	{
		if (kak==-1) g2(l,r,lo,mid,la,kak,d-1);
		else
		{
			int no=++cu;
			ch[la].pb({no,kak});
			g2(l,r,lo,mid,no,0,d-1);
		}
	}
	if (!(mid>=r))
	{
		if (kak==-1) g2(l,r,mid,hi,la,1,d-1);
		else
		{
			int no=++cu;
			ch[la].pb({no,kak});
			g2(l,r,mid,hi,no,1,d-1);
		}
	}
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>l>>r;
	++r;
	g1(l,r);
	for (int i=0;i<ms;++i)
	{
		ch[i+1].pb({i,0});
		ch[i+1].pb({i,1});
	}
	cu=ms+1;
	g2(l,r,0,M,ms+1,-1,20);
	cout<<cu+1<<en;
	for (int i=0;i<=cu;++i)
	{
		cout<<ch[i].size();
		for (auto x: ch[i]) cout<<' '<<x.x+1<<' '<<x.y;
		cout<<en;
	}
}