#include#include#include#include#include#include#include#inc
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define CLEAR(tar) memset(tar,0,sizeof(tar))
using namespace std;
char pre[5],ans[5];
int cnt;
void dfs(int cur,int t){
x05if(cur==4){
x05x05if(t