tree_demo1.txt

                              
				       /\
				      /o*\
                                     /o'o'\
				    /o*o*o*\
			   	   /o'o'o'o'\
				  /o*o*o*o*o*\
				 /o'o'o'o'o'o'\
				/o*o*o*o*o*o*o*\
		               /o'o'o'o'o'o'o'o'\                      
	                      /o*o*o*o*o*o*o*o*o*\	
	                     /o'o'o'o'o'o'o'o'o'o'\
			    /o*o*o*o*o*o*o*o*o*o*o*\
                     	   /o'o'o'o'o'o'o'o'o'o'o'o'\
                          /o*o*o*o*o*o*o*o*o*o*o*o*o*\
                         /o'o'o'o'o'o'o'o'o'o'o'o'o'o'\
                        /o*o*o*o*o*o*o*o*o*o*o*o*o*o*o*\
                       /o'o'o'o'o'o'o'o'o'o'o'o'o'o'o'o'\
                      /o*o*o*o*o*o*o*o*o*o*o*o*o*o*o*o*o*\
                     /o'o'o'o'o'o'o'o'|  |o'o'o'o'o'o'o'o'\
	                              |  |
	                              |  |