difference() {
	union() {
		multmatrix([[1, 0, 0, 1.5], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			union() {
				difference() {
					color([0, 0, 0, 1]) {
						multmatrix([[1, 0, 0, -1.5], [0, 1, 0, -3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							cube(size = [25, 10, 1.6], center = false);
						}
					}
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1.6], [0, 0, 0, 1]]) {
						group() {
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, -1.2], [0, 0, 0, 1]]) {
								linear_extrude(height = 1.2, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
									text(text = "HELLOO", size = 5, spacing = 1, font = "", direction = "ltr", language = "en", script = "Latn", halign = "left", valign = "baseline", $fn = 0, $fa = 12, $fs = 2);
								}
							}
						}
					}
				}
				color([1, 1, 1, 1]) {
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1.6], [0, 0, 0, 1]]) {
						group() {
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, -1.2], [0, 0, 0, 1]]) {
								linear_extrude(height = 1.2, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
									text(text = "HELLOO", size = 5, spacing = 1, font = "", direction = "ltr", language = "en", script = "Latn", halign = "left", valign = "baseline", $fn = 0, $fa = 12, $fs = 2);
								}
							}
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 1.5], [0, 1, 0, 14.2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			union() {
				difference() {
					union() {
						color([1, 1, 1, 1]) {
							multmatrix([[1, 0, 0, -1.5], [0, 1, 0, -3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								cube(size = [25, 10, 1.2], center = false);
							}
						}
						color([0, 0, 0, 1]) {
							multmatrix([[1, 0, 0, -1.5], [0, 1, 0, -3], [0, 0, 1, 1.2], [0, 0, 0, 1]]) {
								cube(size = [25, 10, 0.4], center = false);
							}
						}
					}
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1.6], [0, 0, 0, 1]]) {
						group() {
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, -1.2], [0, 0, 0, 1]]) {
								linear_extrude(height = 1.2, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
									text(text = "HELLOO", size = 5, spacing = 1, font = "", direction = "ltr", language = "en", script = "Latn", halign = "left", valign = "baseline", $fn = 0, $fa = 12, $fs = 2);
								}
							}
						}
					}
				}
				color([1, 1, 1, 1]) {
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1.6], [0, 0, 0, 1]]) {
						group() {
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, -1.2], [0, 0, 0, 1]]) {
								linear_extrude(height = 1.2, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
									text(text = "HELLOO", size = 5, spacing = 1, font = "", direction = "ltr", language = "en", script = "Latn", halign = "left", valign = "baseline", $fn = 0, $fa = 12, $fs = 2);
								}
							}
						}
					}
				}
			}
		}
	}
	color([1, 1, 1, 1]) {
		multmatrix([[1, 0, 0, 25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			cube(size = [25, 21.2, 1.7], center = false);
		}
	}
}