-20 0 20
-20 0 19
-20 0 18
-20 0 17
-20 0 16
-20 0 15
-20 0 14
-20 0 13
-20 0 12
-20 0 100
-20 0 1000
-20 0 10000
-20 -100 -10
-20 15 15
-20 15 -15
-20 100 100
-20 0 -20
-30 0 30
-30 0 -30
-30 0 20
-30 0 -20
-20 10 10
-37.13 -57.12 -20.15
0