#include<iostream>
using namespace std;
main()
{
	int n,k,i,j;
	int a[101];
	string ans[5];
	scanf("%d",&n);
	for(i=0;i<n;i++) scanf("%d",&a[i]);//数字 
	
	k=0;
	while(k<n){
		switch(a[k]){
			case 0:ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "X.X";ans[2] += "X.X";ans[3] += "X.X";break;
			case 1:ans[0] += "..X";ans[4] += "..X";
			ans[1] += "..X";ans[2] += "..X";ans[3] += "..X";break;
			case 2:ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "..X";ans[2] += "XXX";ans[3] += "X..";break;
			case 3:	ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "..X";ans[2] += "XXX";ans[3] += "..X";break;
			case 4:ans[0] += "X.X";ans[4] += "..X";
			ans[1] += "X.X";ans[2] += "XXX";ans[3] += "..X";break;
			case 5:	ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "X..";ans[2] += "XXX";ans[3] += "..X";break;
			case 6:	ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "X..";ans[2] += "XXX";ans[3] += "X.X";break;
			case 7:	ans[0] += "XXX";ans[4] += "..X";
			ans[1] += "..X";ans[2] += "..X";ans[3] += "..X";break;
			case 8:ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "X.X";ans[2] += "XXX";ans[3] += "X.X";break;
			case 9:ans[0] += "XXX";ans[4] += "XXX";
			ans[1] += "X.X";ans[2] += "XXX";ans[3] += "..X";break;	
		}			
	
		k++;
	}
	for(i=0;i<n;i++){
		cout<<ans[i];
		printf("\n");
	}
}

/*
字符串数组 
s[] 
*/