h=0.3;
Point(1) = {0, 1, 0, h};
Point(2) = {0, 2, 0, h};
Point(3) = {0, 3, 0, h};
Point(4) = {0, 4, 0, h};
Line(1) = {1, 2};
Line(2) = {2, 3};
Line(3) = {3, 4};
Extrude {1, 0, 0} {
  Line{1, 2, 3};
}
Extrude {1, 0, 0} {
  Line{12, 8, 4};
}
Extrude {1, 0, 0} {
  Line{16, 20, 24};
}
Extrude {0, 0, 1} {
  Surface{15, 19, 31, 35, 23, 11, 7, 27, 39};
}
Extrude {0, 0, 1} {
  Surface{61, 83, 105, 127, 149, 171, 193, 215, 237};
}
Extrude {0, 0, 1} {
  Surface{259, 281, 303, 369, 347, 325, 391, 413, 435};
}
Physical Volume("Omega") = {27, 24, 21, 18, 13, 12, 20, 3, 23, 4, 26, 9, 17, 14, 11, 19, 22, 25, 8, 16, 5, 2, 10, 15, 1, 6, 7};
Physical Surface("Wall") = {180, 158, 48, 246, 444, 510, 356, 378, 576, 192, 214, 390, 588, 412, 610, 236, 434, 632, 232, 122, 100, 430, 320, 298, 496, 562, 628, 96, 294, 492, 74, 52, 272, 250, 470, 448, 589, 523, 457, 479, 545, 611, 633, 567, 501, 39, 27, 7, 11, 23, 35, 15, 19, 31};
Physical Point("P") = {110};
Physical Line("L") = {66};
Physical Surface("S") = {408};