Shapeshifting fractal by rotary-o

var a=Seq("#")
var i=0
while({i=readInt
i}>0)a="#"*i flatMap{c=>val s=readLine
a.map(t=>(""/:s)(_+t.replace(c,_)))}
a map println

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

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