cl1 = 1;
Point(1) = {0, 0, 0, cl1};
Point(2) = {6, 0, 0, cl1};
Point(3) = {0, 4, 0, cl1};
Point(4) = {1, 4, 0, cl1};
Point(5) = {2, 4, 0, cl1};
Point(6) = {4, 4, 0, cl1};
Point(7) = {5, 4, 0, cl1};
Point(8) = {6, 4, 0, cl1};
Point(9) = {1, 3, 0, cl1};
Point(10) = {2, 3, 0, cl1};
Point(11) = {4, 3, 0, cl1};
Point(12) = {5, 3, 0, cl1};
Point(13) = {0, 0, 2, cl1};
Point(14) = {6, 0, 2, cl1};
Point(15) = {0, 4, 2, cl1};
Point(16) = {1, 4, 2, cl1};
Point(17) = {2, 4, 2, cl1};
Point(18) = {4, 4, 2, cl1};
Point(19) = {5, 4, 2, cl1};
Point(20) = {6, 4, 2, cl1};
Point(21) = {1, 3, 2, cl1};
Point(22) = {2, 3, 2, cl1};
Point(23) = {4, 3, 2, cl1};
Point(24) = {5, 3, 2, cl1};
Line(1) = {1, 2};
Line(2) = {14, 13};
Line(3) = {2, 14};
Line(4) = {1, 13};
Line(5) = {8, 7};
Line(6) = {20, 19};
Line(7) = {8, 2};
Line(8) = {20, 14};
Line(9) = {7, 12};
Line(10) = {19, 24};
Line(11) = {8, 20};
Line(12) = {19, 7};
Line(13) = {12, 24};
Line(14) = {24, 23};
Line(15) = {12, 11};
Line(16) = {11, 6};
Line(17) = {23, 18};
Line(18) = {11, 23};
Line(19) = {6, 18};
Line(20) = {3, 1};
Line(21) = {15, 13};
Line(22) = {3, 15};
Line(23) = {4, 3};
Line(24) = {16, 15};
Line(25) = {16, 21};
Line(26) = {9, 4};
Line(27) = {16, 4};
Line(28) = {9, 21};
Line(29) = {21, 22};
Line(30) = {10, 9};
Line(31) = {10, 22};
Line(32) = {10, 5};
Line(33) = {22, 17};
Line(34) = {5, 17};
Line(35) = {17, 18};
Line(36) = {6, 5};
Line Loop(38) = {1, 3, 2, -4};
Plane Surface(38) = {38};
Line Loop(40) = {23, 22, -24, 27};
Plane Surface(40) = {40};
Line Loop(42) = {36, 34, 35, -19};
Plane Surface(42) = {42};
Line Loop(44) = {12, -5, 11, 6};
Plane Surface(44) = {44};
Line Loop(46) = {30, 28, 29, -31};
Plane Surface(46) = {46};
Line Loop(48) = {15, 18, -14, -13};
Plane Surface(48) = {48};
Line Loop(50) = {21, -4, -20, 22};
Plane Surface(50) = {50};
Line Loop(52) = {26, -27, 25, -28};
Plane Surface(52) = {52};
Line Loop(54) = {7, 3, -8, -11};
Plane Surface(54) = {54};
Line Loop(56) = {9, 13, -10, 12};
Plane Surface(56) = {56};
Line Loop(58) = {33, -34, -32, 31};
Plane Surface(58) = {58};
Line Loop(60) = {16, 19, -17, -18};
Plane Surface(60) = {60};
Line Loop(62) = {2, -21, -24, 25, 29, 33, 35, -17, -14, -10, -6, 8};
Plane Surface(62) = {62};
Line Loop(64) = {20, 1, -7, 5, 9, 15, 16, 36, -32, 30, 26, 23};
Plane Surface(64) = {64};
Surface Loop(66) = {62, 38, 64, 50, 40, 52, 46, 58, 42, 60, 48, 56, 44, 54};
Volume(66) = {66};
Surface Loop(67) = {62, 38, 64, 50, 40, 52, 46, 58, 42, 60, 48, 56, 44, 54};
Volume(67) = {67};
Physical Surface("bottom") = {38};
Physical Surface("topWall1") = {40};
Physical Surface("topWall2") = {42};
Physical Surface("topWall3") = {44};
Physical Surface("lowertop1") = {46};
Physical Surface("lowertop2") = {48};
Physical Surface("leftWall1") = {50};
Physical Surface("leftWall2") = {52};
Physical Surface("rightWall1") = {54};
Physical Surface("rightWall2") = {56};
Physical Surface("electrode1") = {58};
Physical Surface("electrode2") = {60};
Physical Surface("wall1") = {62};
Physical Surface("wall2") = {64};
Physical Volume("internal") = {67};
