#include<bits/stdc++.h>
using namespace std;
int ans,bx[25],by[25];
int fx[4]={2,-2,1,-1};
int fy[4]={1,1,2,2};
void ss(int x,int y,int stip){
bx[stip]=x;
by[stip]=y;
if(x==4&&y==8){
ans++;
cout<<ans<<":";
for(int i=0;i<=stip;i++){
cout<<bx[i]<<","<<by[i];
if(i<stip) cout<<"->";
}
cout<<endl;
}
for(int i=0;i<4;i++){
int tx=x+fx[i];
int ty=y+fy[i];
if(tx>=0&&tx<=4&&ty>=1&&ty<=8){
ss(tx,ty,stip+1);
}
}
}
int main(){
ss(0,0,0);
return 0;
}
/**************************************************************
Problem: 1362
User: zzz
Language: C++
Result: Wrong Answer
****************************************************************/