A friend sent this and said 18sec is great but an Air Force Guy needs to be able to do 2 min's. I don't know if this is true but on the 2nd try I did 27.278sec.
http://members.iinet.net.au/~pontipak/redsquare.html
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http://members.iinet.net.au/~pontipak/redsquare.html
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