box world by pooq

w=io.write
a=io.read()b=#a
w(a)for i=1,b do w(a:sub(i,i),"\n",a:sub(b-i+1,b-i+1))z=i==b or w((" "):rep(b-1))end
w(a:reverse())

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

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