Y log2 x 2

Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2Y log2 x 2