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  1. spaces = '180e 2006 2008 2009 200a 200b 200c 200d 205f 2060'
  2. .split(' ')
  3. .map(s => String.fromCharCode(parseInt(s, 16)));
  4.  
  5. encode = n => n.replace(/\d/g, m => spaces[m]);
  6. decode = s => s.replace(/./g, m => spaces.indexOf(m));
  7.  
  8. console.log('|' + encode('20181109') + '|');
  9. console.log(decode(encode('20181109')));
Success #stdin #stdout 0.05s 122240KB
stdin
Standard input is empty
stdout
| ᠎    ᠎⁠|
20181109