#include "robot.h"

#include<bits/stdc++.h>
// 1 W y-1
// 2 S x+1
// 3 E y+1 
// 4 N x-1
//
// 2 -> to be deleted
// 3 4 5 6 -> WSEN
// 7 8 9 10 -> del WSEN
const char s[]="WSEN";
const char r[]="ENWS";
void check(std::vector<int> v){
	int fr=-1;
	for(int i=1;i<=4;++i)if(v[i]>=3 && r[v[i]-3]==s[i-1]){
		fr=i-1;
		break;
	}
	if(v[2]==-2 && v[3]==-2){
		if(~fr)set_instruction(v,1,s[fr]);
		else set_instruction(v,1,'T');
		return;
	}
	int end=0;
	for(int i=1;i<=4;++i)if(v[i]==1)end=i;
	if(end){
		for(int i=1;i<=4;++i)if(v[i]==2){
			set_instruction(v,1,s[i-1]);
			return;
		}
		if(~fr)set_instruction(v,1,s[fr]);
		else if(v[1]==-2 && v[4]==-2)set_instruction(v,1,'T');
		else set_instruction(v,0,s[end-1]);
	}
	else{
		for(int i=1;i<=4;++i)if(v[i]==0){
			set_instruction(v,i+2,s[i-1]);
			return;
		}
		if(~fr)set_instruction(v,2,s[fr]);
		else set_instruction(v,1,'T');
	}
}
void program_pulibot()
{
	for(int a=-2;a<=6;++a)
		for(int b=-2;b<=6;++b)
			for(int c=-2;c<=6;++c)
				for(int d=-2;d<=6;++d)
					for(int e=-2;e<=6;++e){
						check({a,b,c,d,e});
					}
}