artAngle1 < Math.PI * 2; startAngle1 += Math.PI / 4) {
						for (let angleDiff1 = -Math.PI * 3; angleDiff1 < Math.PI * 3; angleDiff1 += Math.PI / 4) {
							for (let angleDiff2 = -Math.PI * 2; angleDiff2 < Math.PI * 2; angleDiff2 += Math.PI / 2) {
								countResult(test(startAngle1, angleDiff1, Math.PI / 4, angleDiff2));
							}
						}
					}
				}

				if (total === 0) {
					alert("CodePen's loop protection kicked in. Try re-running.");
					// https://codepen.io/1j01/pen/yLxpdrM
					// https://jsf