1 2sin 2x

1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x
1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x
1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x1 2sin 2x