init

initalize repo

Co-authored-by: Patrick Massot PatrickMassot@users.noreply.github.com

client/public/index.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+  <meta charset="UTF-8" />
+  <title>Lean 4 Game</title>
+</head>
+
+<body>
+  <div id="root"></div>
+  <noscript>
+    You need to enable JavaScript to run this app.
+  </noscript>
+  <script src="../dist/bundle.js"></script>
+</body>
+
+</html>

client/public/manifest.json

@@ -0,0 +1,25 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}

client/public/robots.txt

@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:

client/src/App.js

@@ -0,0 +1,73 @@
+import React, { useState } from 'react';
+import { MathJaxContext } from "better-react-mathjax";
+
+import useWebSocket from 'react-use-websocket';
+
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { AppBar, CssBaseline, Toolbar, Typography } from '@mui/material';
+
+import Welcome from './components/Welcome';
+import Level from './components/Level';
+import GoodBye from './components/GoodBye';
+
+function App() {
+	const [title, setTitle] = useState("")
+	const [conclusion, setConclusion] = useState("")
+	const [levelTitle, setLevelTitle] = useState("")
+	const [nbLevels, setNbLevels] = useState(0)
+	const [curLevel, setCurLevel] = useState(0)
+	const [finished, setFinished] = useState(false)
+
+	const socketUrl = 'ws://' + window.location.hostname + ':8765'
+	const { sendJsonMessage, lastMessage, lastJsonMessage } = useWebSocket(socketUrl)
+
+	const mathJaxConfig = {
+		loader: {
+			load: ['input/tex-base', 'output/svg']
+		  },
+        tex: {
+			inlineMath: [['$', '$'], ['\\(', '\\)']]
+		  },
+		svg: {
+			fontCache: 'global'
+		}
+    }
+
+	function startGame() {
+		setCurLevel(1)
+	}
+	
+	let mainComponent;
+	if (finished) {
+	  mainComponent = <GoodBye message={conclusion} />
+	} else if (curLevel > 0) {
+	  mainComponent = <Level sendJsonMessage={sendJsonMessage} lastMessage={lastMessage} lastJsonMessage={lastJsonMessage} nbLevels={nbLevels} level={curLevel} setCurLevel={setCurLevel} setLevelTitle={setLevelTitle} setFinished={setFinished}/>
+	} else {
+      mainComponent = <Welcome sendJsonMessage={sendJsonMessage} lastMessage={lastMessage} lastJsonMessage={lastJsonMessage} setNbLevels={setNbLevels} setTitle={setTitle} startGame={startGame} setConclusion={setConclusion}/>
+	}
+
+  return (
+    <div className="App">
+		<MathJaxContext config={mathJaxConfig}>
+			<CssBaseline />
+			<AppBar position="sticky" sx={{ zIndex: (theme) => theme.zIndex.drawer + 1 }}>
+				<Toolbar sx={{ justifyContent: "space-between" }}>
+				<Typography variant="h6" noWrap component="div">
+					{title}
+				</Typography>
+				<Typography variant="h6" noWrap component="div">
+					{levelTitle}
+				</Typography>
+				</Toolbar>
+			</AppBar>
+			{mainComponent}
+		</MathJaxContext>
+    </div>
+  )
+}
+
+export default App

client/src/App.test.js

@@ -0,0 +1,8 @@
+import { render, screen } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  render(<App />);
+  const linkElement = screen.getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});

client/src/components/GoodBye.js

@@ -0,0 +1,23 @@
+import React from 'react';
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { Box, Typography, Grid } from '@mui/material';
+
+
+function GoodBye({ message }) {
+	return (<Grid container
+		direction="row"
+		justifyContent="center"
+		alignItems="center">
+		<Grid item xs={12} sm={6}>
+			<Box sx={{ m: 3 }}>
+				<Typography variant="body1" component="div">{message}</Typography>
+			</Box>
+		</Grid>
+	</Grid>)
+}
+
+export default GoodBye

client/src/components/InputZone.js

@@ -0,0 +1,62 @@
+import React, { useEffect, useState } from 'react';
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { Typography, Button, Paper, TextField, List, ListItem } from '@mui/material';
+
+
+function InputZone({ index, history, messageOpen, setMessageOpen, completed, sendTactic, nbLevels, loadNextLevel, errors, lastTactic, undo, finishGame }) {
+  const [curInput, setCurInput] = useState("")
+
+  const inputRef = React.createRef()
+  const nextRef = React.createRef()
+
+  function handleCurInputChange(evt) { setCurInput(evt.target.value) }
+
+  function showPrevMessage() { setMessageOpen(true) }
+
+  useEffect(() => {
+    if (!messageOpen && !completed) inputRef.current.focus()
+    if (!messageOpen && completed && index < nbLevels) nextRef.current.focus()
+    if (!messageOpen && completed && index === nbLevels) finishGame()
+  }, [messageOpen, inputRef, nextRef, completed, finishGame, index, nbLevels])
+
+  async function submitForm(evt) {
+    evt.preventDefault(); // prevent app reloading on form submission
+    await sendTactic(curInput)
+    setCurInput("");
+  }
+
+  return (
+    <Paper sx={{
+        height: "100%", pt: 1, pl: 3, pr: 3, pb: 1,
+        justifyContent: "space-between", alignItems: "center", textAlign: "center"
+      }}
+      elevation={5}>
+      <Typography variant="h5">Invocation zone</Typography>
+      <List dense={true}>
+        {history.map((item, idx) => <ListItem key={idx}>{item}</ListItem>)}
+      </List>
+      <form onSubmit={submitForm}>
+        <TextField
+          id="outlined-input"
+          label="Invocation"
+          autoFocus={true}
+          inputRef={inputRef}
+          value={curInput}
+          onChange={handleCurInputChange}
+        />
+        <br />
+        <Button type="submit" variant="contained" sx={{ mt: 2 }} disabled={errors.length > 0 || completed || curInput.trim() === ""} disableFocusRipple>Cast spell</Button>
+        <br />
+        <Button variant="text" onClick={undo} sx={{ ml: 3, mt: 2, mb: 2 }} disabled={lastTactic === "" ? true : false || completed}>Undo</Button>
+        {!messageOpen && <Button variant="text" onClick={showPrevMessage} sx={{ ml: 3, mt: 2, mb: 2 }}>See previous message</Button>}
+        <br />
+        {completed && index < nbLevels && <Button variant="contained" ref={nextRef} onClick={loadNextLevel} sx={{ ml: 3, mt: 2, mb: 2 }} disableFocusRipple>Go to Next Level</Button>}
+      </form>
+    </Paper>)
+}
+
+export default InputZone

client/src/components/LeftPanel.js

@@ -0,0 +1,82 @@
+import React, { useState, useEffect } from 'react';
+import ReactMarkdown from 'react-markdown';
+import { MathJax } from "better-react-mathjax";
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { Paper, Box, Typography, Accordion, AccordionSummary, AccordionDetails, Tabs, Tab } from '@mui/material';
+import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
+
+
+function TacticDoc(props) {
+	return (
+		<Accordion>
+			<AccordionSummary expandIcon={<ExpandMoreIcon />}>
+				<Typography>{props.tactic.name}</Typography>
+			</AccordionSummary>
+			<AccordionDetails>
+				<MathJax>
+					<ReactMarkdown>{props.tactic.content}</ReactMarkdown>
+				</MathJax>
+			</AccordionDetails>
+		</Accordion>)
+}
+
+function LemmaDoc({ lemma }) {
+	return (
+		<Accordion>
+			<AccordionSummary expandIcon={<ExpandMoreIcon />}>
+				<Typography>{lemma.userName}</Typography>
+			</AccordionSummary>
+			<AccordionDetails>
+				<MathJax>
+					<ReactMarkdown>{lemma.content}</ReactMarkdown>
+				</MathJax>
+			</AccordionDetails>
+		</Accordion>)
+}
+
+function LemmaDocs({ lemmas }) {
+	const [categories, setCategories] = useState(new Map())
+	const [curCategory, setCurCategory] = useState("")
+
+	useEffect(() => {
+		const cats = new Map()
+		lemmas.forEach(function (item) {
+			const category = item.category
+			cats.set(category, (cats.get(category) || []).concat([item]))
+		});
+		setCategories(cats)
+		setCurCategory(cats.keys().next().value)
+	}, [lemmas]);
+
+	return (
+		<Paper sx={{ px: 2, py: 1, mt: 2 }}>
+			<Typography variant="h5">Inventory</Typography>
+			<Box sx={{ borderBottom: 1, borderColor: 'divider' }}>
+				<Tabs
+					value={curCategory}
+					aria-label="Categories" variant="scrollable" scrollButtons="auto">
+					{(Array.from(categories)).map(([category, _]) => <Tab value={category} label={category} key={category} wrapped />)}
+				</Tabs>
+			</Box>
+			{curCategory && categories.get(curCategory).map((lemma) => <LemmaDoc lemma={lemma} key={lemma.name} />)}
+		</Paper>
+	)
+}
+
+function LeftPanel({ spells, inventory }) {
+	return (
+		<Box>
+			{spells.length > 0 &&
+				<Paper sx={{ px: 2, py: 1 }}>
+					<Typography variant="h5" sx={{ mb: 2 }}>Spell book</Typography>
+					{spells.map((spell) => <TacticDoc key={spell.name} tactic={spell} />)}
+				</Paper>}
+			{inventory.length > 0 && <LemmaDocs lemmas={inventory} />}
+		</Box>)
+}
+
+export default LeftPanel;

client/src/components/Level.js

@@ -0,0 +1,114 @@
+import React, { useEffect, useState } from 'react';
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import Grid from '@mui/material/Unstable_Grid2';
+
+import LeftPanel from './LeftPanel';
+import InputZone from './InputZone';
+import Message from './Message';
+import TacticState from './TacticState';
+
+
+
+function Level({ sendJsonMessage, lastMessage, lastJsonMessage, nbLevels, level, setCurLevel, setLevelTitle, setFinished }) {
+	const [index, setIndex] = useState(level) // Level number
+	const [tacticDocs, setTacticDocs] = useState([])
+	const [lemmaDocs, setLemmaDocs] = useState([])
+
+	const [leanData, setLeanData] = useState({})
+	const [history, setHistory] = useState([])
+	const [lastTactic, setLastTactic] = useState("")
+	const [errors, setErrors] = useState([])
+
+	const [message, setMessage] = useState("")
+	const [messageOpen, setMessageOpen] = useState(false)
+
+
+	const [completed, setCompleted] = useState(false)
+
+	// The next function will be called when the level changes
+	useEffect(() => {
+		sendJsonMessage({ "loadLevel": level });
+	}, [level, sendJsonMessage])
+
+	// The next function will be called when a message arrives or the level title changes
+	useEffect(() => {
+		console.log(lastMessage)
+		console.log(lastJsonMessage)
+		if ("nb_levels" in lastJsonMessage) { return } // this is an old message from starting the game
+		const data = lastJsonMessage;
+		if ("title" in data) { // This is the level metadata coming in
+			setLevelTitle("Level " + data["index"] + ": " + data["title"])
+			setIndex(parseInt(data["index"]))
+			setTacticDocs(data["tactics"])
+			setLemmaDocs(data["lemmas"])
+		}
+
+		if (data["message"] !== "" && data.errors.length === 0) {
+			setMessage(data["message"])
+			setMessageOpen(true)
+		}
+		setLeanData(data);
+		setErrors(data.errors);
+		if (data.goals.length === 0 && data.errors.length === 0) {
+			setCompleted(true)
+		}
+
+	}, [lastJsonMessage, lastMessage, setLevelTitle])
+
+
+	function sendTactic(input) {
+		sendJsonMessage({ "runTactic": input });
+		setLastTactic(input);
+		setHistory(history.concat([input]));
+	}
+
+	function undo() {
+		if (errors.length === 0) {
+			sendJsonMessage('undo');
+		}
+		if (history.length > 1) {
+			setLastTactic(history[history.length - 1]);
+		} else {
+			setLastTactic("");
+		};
+		setErrors([]);
+		setHistory(history.slice(0, -1));
+	}
+
+	function loadNextLevel() {
+		setCompleted(false)
+		setHistory([])
+		setCurLevel(index + 1)
+	}
+
+	function closeMessage() {
+		setMessageOpen(false)
+	}
+
+	function finishGame() {
+		setLevelTitle("")
+		setFinished(true)
+	}
+
+	return (
+		<Grid container sx={{ mt: 3, ml: 1, mr: 1 }} columnSpacing={{ xs: 1, sm: 2, md: 3 }}>
+			<Grid xs={4}>
+				<LeftPanel spells={tacticDocs} inventory={lemmaDocs} />
+			</Grid>
+			<Grid xs={4}>
+				<InputZone index={index} history={history} messageOpen={messageOpen} setMessageOpen={setMessageOpen} completed={completed} sendTactic={sendTactic} nbLevels={nbLevels} loadNextLevel={loadNextLevel}
+					errors={errors} lastTactic={lastTactic} undo={undo} finishGame={finishGame} />
+				<Message isOpen={messageOpen} content={message} close={closeMessage} />
+			</Grid>
+			<Grid xs={4}>
+				<TacticState goals={leanData.goals} errors={errors} lastTactic={lastTactic} completed={completed} />
+			</Grid>
+		</Grid>
+	)
+}
+
+export default Level

client/src/components/Message.js

@@ -0,0 +1,29 @@
+import React from 'react';
+import ReactMarkdown from 'react-markdown';
+import { MathJax } from "better-react-mathjax";
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { Button, Dialog, DialogContent, DialogContentText, DialogActions } from '@mui/material';
+
+function Message({ isOpen, content, close }) {
+
+  return (
+    <Dialog open={isOpen} onClose={close}>
+      <DialogContent>
+        <DialogContentText id="alert-dialog-description">
+          <MathJax><ReactMarkdown>{content}</ReactMarkdown></MathJax>
+        </DialogContentText>
+      </DialogContent>
+      <DialogActions>
+        <Button onClick={close} autoFocus={true} disableFocusRipple>
+          Ok
+        </Button>
+      </DialogActions>
+    </Dialog>
+  )
+}
+
+export default Message

client/src/components/TacticState.js

@@ -0,0 +1,69 @@
+import React from 'react';
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import List from '@mui/material/List';
+import ListItem from '@mui/material/ListItem';
+import { Paper, Box, Typography } from '@mui/material';
+
+const errorRegex = /<stdin>:1:(?<col>[^:]*): (?<msg>.*)/;
+
+function Goal({ goal }) {
+	const hasObject = typeof goal.objects === "object" && goal.objects.length > 0
+	const hasAssumption = typeof goal.assumptions === "object" && goal.assumptions.length > 0
+	return (
+		<Box sx={{ pl: 2 }}>
+			{hasObject && <Box><Typography variant="h7">Objects</Typography>
+				<List>
+					{goal.objects.map((item) =>
+						<ListItem key={item[0]}>
+							<Typography color="primary" sx={{ mr: 1 }}>{item[0]}</Typography> :
+							<Typography color="secondary" sx={{ ml: 1 }}>{item[1]}</Typography>
+						</ListItem>)}
+				</List></Box>}
+			{hasAssumption && <Box><Typography variant="h7">Assumptions</Typography>
+				<List>
+					{goal.assumptions.map((item) => <ListItem key={item}><Typography color="primary" sx={{ mr: 1 }}>{item[0]}</Typography> :
+						<Typography color="secondary" sx={{ ml: 1 }}>{item[1]}</Typography></ListItem>)}
+				</List></Box>}
+			<Typography variant="h7">Prove:</Typography>
+			<Typography color="primary" sx={{ ml: 2 }}>{goal.goal}</Typography>
+		</Box>)
+}
+
+function TacticState({ goals, errors, lastTactic, completed }) {
+	const hasError = typeof errors === "object" && errors.length > 0
+	const hasGoal = typeof goals === "object" && goals.length > 0
+	const hasManyGoal = hasGoal && goals.length > 1
+	var col = ""
+	var msg = ""
+	if (hasError) {
+		const m = errors[0].match(errorRegex)
+		if (m) {
+			col = `Column ${m.groups.col}: `
+			msg = m.groups.msg
+		} else {
+			msg = errors[0]
+			if (msg === "Unrecognized tactic") { msg = "Unknown spell!" }
+		}
+	}
+	return (
+		<Box sx={{ height: "100%" }}>
+			{hasGoal && <Paper sx={{ pt: 1, pl: 2, pr: 3, pb: 1, height: "100%" }}><Typography variant="h5">Current goal</Typography> <Goal goal={goals[0]} /></Paper>}
+			{completed && <Typography variant="h6">Level completed ! 🎉</Typography>}
+			{hasError && <Paper sx={{ pt: 1, pl: 2, pr: 3, pb: 1, height: "100%" }}><Typography variant="h5" color="error">Spell invocation failed</Typography>
+				<Typography sx={{ my: 1 }}>{lastTactic}</Typography>
+				<Typography component="pre" sx={{ my: 1 }}>{col}{msg}</Typography>
+				<Typography>Use the undo button to go back to a sane state.</Typography>
+				</Paper>}
+			{hasManyGoal && <Paper sx={{ pt: 1, pl: 2, pr: 3, pb: 1, mt: 1 }}>
+				<Typography variant="h6" sx={{ mb: 2 }}>Other goals</Typography>
+				{goals.slice(1).map((goal, index) => <Paper><Goal key={index} goal={goal} /></Paper>)}
+			</Paper>}
+		</Box>
+	)
+}
+
+export default TacticState

client/src/components/Welcome.js

@@ -0,0 +1,52 @@
+import React, { useState, useEffect } from 'react';
+import ReactMarkdown from 'react-markdown';
+import { MathJax } from "better-react-mathjax";
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { Box, Typography, Button, CircularProgress, Grid } from '@mui/material';
+
+
+function Welcome({ sendJsonMessage, lastJsonMessage, setNbLevels, setTitle, startGame, setConclusion }) {
+
+	const [leanData, setLeanData] = useState({})
+
+	// Will run at the very beginning
+	useEffect(() => {
+		sendJsonMessage('info')
+	}, [sendJsonMessage])
+
+	// Will run when a Json message arrives
+	useEffect(() => {
+		if (lastJsonMessage != null && lastJsonMessage.hasOwnProperty("nb_levels")) {
+			setLeanData(lastJsonMessage)
+			setNbLevels(lastJsonMessage.nb_levels)
+			setTitle(lastJsonMessage.title)
+			document.title = lastJsonMessage.title
+			setConclusion(lastJsonMessage.conclusion)
+		}
+	}, [lastJsonMessage, setNbLevels, setTitle, setConclusion])
+
+	let content
+	if ("introduction" in leanData) {
+		content = (<Box sx={{ m: 3 }}>
+			<Typography variant="body1" component="div">
+			  <MathJax>
+					<ReactMarkdown>{leanData["introduction"]}</ReactMarkdown>
+				</MathJax>
+			</Typography>
+			<Box textAlign='center' sx={{ m: 5 }}>
+				<Button onClick={startGame} variant="contained">Start rescue mission</Button>
+			</Box>
+		</Box>)
+	} else {
+		content = <Box display="flex" alignItems="center" justifyContent="center" sx={{ height: "calc(100vh - 64px)" }}><CircularProgress /></Box>
+	}
+	return <Grid container direction="row" justifyContent="center" alignItems="center">
+		<Grid item xs={12} sm={6}>{content}</Grid>
+	</Grid>
+}
+
+export default Welcome

client/src/index.css

@@ -0,0 +1,11 @@
+body {
+  margin: 0;
+  font-family: Roboto;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: Roboto Mono;
+  color: rgba(0, 32, 90, 0.87);
+}

client/src/index.js

@@ -0,0 +1,11 @@
+import React from 'react'
+import { createRoot } from 'react-dom/client';
+import './index.css';
+import App from './App';
+
+self.$RefreshReg$ = () => {};
+self.$RefreshSig$ = () => () => {};
+
+const container = document.getElementById('root');
+const root = createRoot(container); // createRoot(container!) if you use TypeScript
+root.render(<App />);

client/src/logo.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3"><g fill="#61DAFB"><path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/><circle cx="420.9" cy="296.5" r="45.7"/><path d="M520.5 78.1z"/></g></svg>