> Michael Ulm <michael.ulm / isis-papyrus.com> writes:
>
>> a=[]
>> 34.times{k=0;puts (a.map!{|i|k+k=i}<<1).join(" ")}
>
> a=[]
> 34.times{k=0;puts (a.map!{|i|k+k=i}<<1)*" "}

a=[]
9.times{k=0;puts (a.map!{|i|k+k=i}<<1)*" "}

:)