X 4 4x 2 1 0

X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0
X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0
X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0
X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0
X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0X 4 4x 2 1 0