Origin	Destination	Population
point 21	point 16	76.0
point 21	point 17	72.0
point 21	point 20	36.0
point 21	point 22	60.0
point 21	point 23	12.0
point 21	point 25	12.0
point 21	point 29	16.0
point 21	point 30	20.0
point 21	point 35	32.0
point 21	point 28	8.0
point 22	point 1	56.0
point 22	point 2	88.0
point 22	point 3	100.0
point 22	point 9	108.0
point 22	point 11	96.0
point 22	point 15	48.0
point 22	point 16	76.0
point 22	point 17	76.0
point 22	point 20	24.0
point 22	point 21	36.0
point 22	point 23	4.0
point 22	point 25	28.0
point 22	point 29	4.0
point 22	point 30	16.0
point 22	point 35	16.0