0 1   			10		 
1 2 5
1 3 5.5  	 
2 		 3  	  21.4
2 4 	 4
		 2 5 2
3	3	1	
4 3 1 
5 3 0.1


	 5 	 4 1.1
5 5 9.5
5 6 6.7
6 	 0 1
6 5 	0 
6 6 	 12
7	  	6	 	35.224653
	7  7	 	9.875347