P0 = x 1x 2 x3x 4 x 5 x 6 x 7 x 8 x 9 x 10x 1x 12x 13x 14x 15x 16

p 1 = x 1x 3 x 5 x 7 x 9 x 1 1x 13x 15x 2 x 4 x 6 x 8 x 10x 12x 14x 16

P2 = x 1x 5x 9 x 13 x3x 7 x 1 1x 15 ......

Fill in 6

(2)N=2^n

P0 = x 1x 2 x3x 4 x 5 x 6 x 7 x 8 x 9 x 10x 1x 12x 13x 14x 15x 16....x2^n

p 1 = x 1x 3 x 5 x 7 x 9 x 1 1x 13x 15...x(2^n- 1)x2x4x6x8x 10x 12x 14x 16...x2^n

P2=x 1x5x9x 13x...x(2^n-3)3x7x 1 1x 15...(2^n- 1)x2x6x8..x(2^n-2)x4x8x 10...x2^n.

P3=