-- SAMPLE 1 --
2 2 1000
 600  400 0 100 100
1500  500 0 100 100
 500 1500 0 100 100
1500 1500 0 225 225
-- SAMPLE 2 --
2 3 1000
 500  500   0 100 150
1500  500   0 150 200
2500  500  45  75 200
 500 1510  30 100 150
1510 1500  60 150 200
2510 1510 120  75 200
