cl__1 = 1;
Point(1) = {0, 0, 0, 1};
Point(2) = {0, 1, 0, 1};
Point(3) = {1, 1, 0, 1};
Point(4) = {1, 0, 0, 1};
Point(5) = {0.1, 0.5, 0, 1};
Point(6) = {0.25, 0.35, 0, 1};
Point(7) = {0.4, 0.5, 0, 1};
Point(8) = {0.25, 0.65, 0, 1};
Point(9) = {0.25, 0.5, 0, 1};
Point(10) = {0.6, 0.5, 0, 1};
Point(11) = {0.75, 0.35, 0, 1};
Point(12) = {0.9, 0.5, 0, 1};
Point(13) = {0.75, 0.65, 0, 1};
Point(14) = {0.75, 0.5, 0, 1};
Line(4) = {2, 1};
Line(5) = {1, 4};
Line(6) = {4, 3};
Line(7) = {3, 2};
Circle(8) = {6, 9, 5};
Circle(9) = {5, 9, 8};
Circle(10) = {8, 9, 7};
Circle(11) = {7, 9, 6};
Circle(12) = {11, 14, 10};
Circle(13) = {12, 14, 11};
Circle(14) = {13, 14, 12};
Circle(15) = {10, 14, 13};
Line Loop(19) = {7, 4, 5, 6, -8, -11, -10, -9, -12, -13, -14, -15};
Plane Surface(19) = {19};
Line Loop(20) = {9, 10, 11, 8};
Plane Surface(20) = {20};
Line Loop(21) = {15, 14, 13, 12};
Plane Surface(21) = {21};
Physical Surface(1) = {19};
Physical Surface(2) = {20};
Physical Surface(3) = {21};