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\\//

@_=(do{("$=.175"*($]<<$])).'AR'},'s"/#5:er ','#&3 aR',
q/;""'$ /);print map{substr(\\//,$[,$]+$~=~m~.~)^$_}@_

++$....$..$.      #1 .. 11 or 1234567891011
--$--$---         #just a complicated way of saying 0
...
$~=~m~.~          #evaluates to 1
$$=[$.++...$..$.];#second line evaluate to 0..10
@$$[@$$[$$$[$[]...$$$[$$$[$.]].$$$[$[]]];