14 14 30
-30 30
-30 -30
30 -30
30 -20
20 -20
20 -10
10 -10
10 0
0 0
0 10
-10 10
-10 20
-20 20
-20 30
30 30
-30 30
-30 20
-20 20
-20 10
-10 10
-10 0
0 0
0 -10
10 -10
10 -20
20 -20
20 -30
30 -30
