#include<bits/stdc++.h>
using namespace std;
int fx[4]={2,-2,1,-1},bx[10],by[10],ans=1;
int fy[4]={1,1,2,2};
void dfs(int x,int y,int stemp){
bx[stemp]=x;
by[stemp]=y;
if(x==4&&y==8){
cout<<ans<<":";
ans++;
for(int i=1;i<=stemp;i++){
cout<<bx[i]<<",";
cout<<by[i];
if(i!=stemp) cout<<"->";
}
cout<<endl;
}
else{
for(int i=0;i<=3;i++){
int tx=x-fx[i];
int ty=y+fy[i];
if(tx>=0&&tx<=4&&ty>=0&&ty<=8){
//cout<<tx<<","<<ty<<" ";
dfs(tx,ty,stemp+1);
}
}
}
}
int main(){
dfs(0,0,1);
return 0;
}
/**************************************************************
Problem: 1362
User: houshanglin
Language: C++
Result: Wrong Answer
****************************************************************/