#1 |POLYGON((10 10,10 30,20 30,20 20,28 20,30 20,30 10,10 10))|10
#1 |POLYGON((20 20,20 40,30 40,30 30,38 30,40 30,40 20,20 20))|20
#1 |POLYGON((30 30,30 50,40 50,40 40,48 40,50 40,50 30,30 30))|30
#1 |POLYGON((40 40,40 60,50 60,50 50,58 50,60 50,60 40,40 40))|40
#1 |POLYGON((50 50,50 70,60 70,60 60,68 60,70 60,70 50,50 50))|50
#1 |POLYGON((60 60,60 80,70 80,70 70,78 70,80 70,80 60,60 60))|60
#1 |POLYGON((70 70,70 90,80 90,80 80,88 80,90 80,90 70,70 70))|70
#1 |POLYGON((80 80,80 100,90 100,90 90,98 90,100 90,100 80,80 80))|80
#1 |POLYGON((90 90,90 110,100 110,100 100,108 100,110 100,110 90,90 90))|90
#1 |POLYGON((100 100,100 120,120 120,120 100,100 100))|100
#2 |POLYGON((10 10,10 30,20 30,20 20,28 20,30 20,30 10,10 10))|10
#2 |POLYGON((20 20,20 30,30 30,30 20,20 20))|15
