Knight move sorted by mitchs

puts$<.map{|s|('\xef\x02\x07\x04\x10\x04\x07\x02'.bytes.map{|k|eval's.succ![/[a-h][1-8]/];'*k}-[p])*' '}

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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