0.5 x 2 1 5 July 8, 2019 16 32 64 128 0.5 x 4x 2 1 )( 5x 2 2 Y 0.5 x 5 2 1 0.5 x 3 x 5 1 2 1 3 4 2.4 x 0.5 x 2 5 2.6