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        myArray[i][1]=Math.floor(Math.random()*10);
        myArray[i][2]=Math.floor(Math.random()*10);
        myArray[i][3]=Math.floor(Math.random()*10);
        myArray[i][4]=Math.floor(Math.random()*10);
        myArray[i][5]=Math.floor(Math.random()*10);
        myArray[i][6]=Math.floor(Math.random()*10);
        myArray[i][7]=Math.floor(Math.random()*10);
        myArray[i][8]=Math.floor(Math.random()*10);
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    myArray.sort( function(x, y) ...{
        return (x[0]==y[0])?((x[4]==y[4])?(x[8]-y[8]):(x[4]-y[4])):(x[2]-y[2])
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