group() {
	color([1, 0, 0, 1]) {
		multmatrix([[1, 0, 0, -16], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			multmatrix([[3, 0, 0, 0], [0, 3, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
						multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							circle($fn = 10, $fa = 12, $fs = 2, r = 1);
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, -16], [0, 1, 0, 16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			multmatrix([[3, 0, 0, 0], [0, 3, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
						multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, -16], [0, 1, 0, 32], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			multmatrix([[3, 0, 0, 0], [0, 3, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 2.5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [5, 1], center = false);
						}
					}
				}
			}
		}
	}
	multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		resize(newsize = [15,15,0], auto = [0,0,0]) {
			group() {
				difference() {
					square(size = [5, 5], center = false);
					multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						square(size = [1, 1], center = false);
					}
					multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						circle($fn = 10, $fa = 12, $fs = 2, r = 1);
					}
				}
			}
		}
	}
	multmatrix([[1, 0, 0, 0], [0, 1, 0, 16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		resize(newsize = [15,15,0], auto = [0,0,0]) {
			group() {
				difference() {
					square(size = [5, 5], center = false);
					multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						square(size = [1, 1], center = false);
					}
					multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						square(size = [1, 1], center = false);
					}
				}
			}
		}
	}
	multmatrix([[1, 0, 0, 0], [0, 1, 0, 32], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		resize(newsize = [15,15,0], auto = [0,0,0]) {
			group() {
				difference() {
					square(size = [5, 5], center = false);
					multmatrix([[1, 0, 0, 0], [0, 1, 0, 2.5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
						square(size = [5, 1], center = false);
					}
				}
			}
		}
	}
	color([0, 0.501961, 0, 1]) {
		multmatrix([[1, 0, 0, 16], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [15,0,0], auto = [1,1,1]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
						multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							circle($fn = 10, $fa = 12, $fs = 2, r = 1);
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 16], [0, 1, 0, 16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [0,15,0], auto = [1,1,1]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
						multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 16], [0, 1, 0, 32], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [0,15,0], auto = [1,0,0]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 2.5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [5, 1], center = false);
						}
					}
				}
			}
		}
	}
	color([1, 0.752941, 0.796078, 1]) {
		multmatrix([[1, 0, 0, 32], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [0,0,0], auto = [0,1,0]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
						multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							circle($fn = 10, $fa = 12, $fs = 2, r = 1);
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 32], [0, 1, 0, 16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [0,0,15], auto = [1,1,1]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
						multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [1, 1], center = false);
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 32], [0, 1, 0, 32], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [0,0,15], auto = [0,0,0]) {
				group() {
					difference() {
						square(size = [5, 5], center = false);
						multmatrix([[1, 0, 0, 0], [0, 1, 0, 2.5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
							square(size = [5, 1], center = false);
						}
					}
				}
			}
		}
	}
	color([0, 0, 1, 1]) {
		multmatrix([[1, 0, 0, -16], [0, 1, 0, -16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [10,8,0], auto = [0,1,0]) {
				multmatrix([[0.5, 0, 0, 0], [0, 100, 0, 0], [0, 0, 20, 0], [0, 0, 0, 1]]) {
					group() {
						difference() {
							square(size = [5, 5], center = false);
							multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								square(size = [1, 1], center = false);
							}
							multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								circle($fn = 10, $fa = 12, $fs = 2, r = 1);
							}
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 0], [0, 1, 0, -16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [8,10,15], auto = [1,1,1]) {
				multmatrix([[1000, 0, 0, 0], [0, 0.5, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
					group() {
						difference() {
							square(size = [5, 5], center = false);
							multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								square(size = [1, 1], center = false);
							}
							multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								square(size = [1, 1], center = false);
							}
						}
					}
				}
			}
		}
		multmatrix([[1, 0, 0, 16], [0, 1, 0, -16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			resize(newsize = [10,8,15], auto = [0,0,0]) {
				multmatrix([[200, 0, 0, 0], [0, 200, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
					group() {
						difference() {
							square(size = [5, 5], center = false);
							multmatrix([[1, 0, 0, 0], [0, 1, 0, 2.5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
								square(size = [5, 1], center = false);
							}
						}
					}
				}
			}
		}
	}
}