X1 2 x2 4

X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4X1 2 x2 4