data:image/png;base64,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data:image/png;base64,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's turn?available squaresavailable squares1110i121I'm kind of bummed that I didn't find a beautiful one-line solution using FIND FIRST, but it just gives the value it finds, not the position in the list, which is what we need to find the line endpoints in WIN LINES. So it's a plain old fashioned FOR loop.X's turn?Xfalse1,2,3,4,5,6,7,8,9true-100,50100,50-100,0100,0-100,-50100,-50-50,100-50,-1000,1000,-10050,10050,-100-100,100100,-100-100,-100100,100