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deleted 5 characters in body
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George Reith
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Javascript ES6, 6767 62 bytes

((x='0123456789ABCDEF')+x+x+x)x=''.replace.bind('0123456789ABCDEF',/./g,(n,o)=>')(n=>x(o=>' '+x[o/16|0]+n'+n+o))

Javascript ES6, 67 bytes

((x='0123456789ABCDEF')+x+x+x).replace(/./g,(n,o)=>' '+x[o/16|0]+n)

Javascript ES6, 67 62 bytes

(x=''.replace.bind('0123456789ABCDEF',/./g))(n=>x(o=>' '+n+o))
Source Link
George Reith
  • 2.5k
  • 1
  • 14
  • 16

Javascript ES6, 67 bytes

((x='0123456789ABCDEF')+x+x+x).replace(/./g,(n,o)=>' '+x[o/16|0]+n)