--- /dev/null
+#!/usr/bin/env python
+
+# Compose each piece SVG with numbers
+# https://travishorn.com/removing-parts-of-shapes-in-svg-b539a89e5649
+# https://developer.mozilla.org/fr/docs/Web/SVG/Tutoriel/Paths
+
+preamble = """<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="230" height="230">"""
+
+black = '<circle cx="115" cy="115" r="100" fill="crimson" stroke="darkslategray"/>'
+white = '<circle cx="115" cy="115" r="100" fill="gold" stroke="darkslategray"/>'
+
+digits = [
+ # 1 (unused here)
+ '<path d="M130,85 v60"',
+ # 2
+ '<path d="M100,85 h30 v30 h-30 v30 h30"',
+ # 3
+ '<path d="M100,85 h30 v30 h-30 M130,115 v30 h-30"',
+ # 4
+ '<path d="M100,85 v30 h30 v30 M130,85 v30"',
+ # 5
+ '<path d="M130,85 h-30 v30 h30 v30 h-30"'
+]
+
+final = "</svg>"
+
+for color in ["white", "black"]:
+ for number in range(5):
+ filename = color + "_stack" + (str(number + 1) if number >= 1 else "") + ".svg"
+ f = open(filename, "w")
+ f.write(preamble)
+ f.write("\n")
+ f.write(white if color == "white" else black)
+ f.write("\n")
+ if number >= 1:
+ f.write(digits[number] + ' fill="none" stroke-width="5" stroke="black"/>')
+ f.write("\n")
+ f.write(final)
+ f.close()