[1,2,1,4,2,1,8,4,2,1,16,8,4,2,1,32,16,8,4,2,1,64, 32,16,8,4,2,1,128,64,32,16,8,4,2,1,256,128,64,32, 16,8,4,2,1,512,256,128,64,32,16,8,4,2,1,1024,512, 256,128,64,32,16,8,4,2,1,2048,1024,512,256,128,64, 32,16,8,4,2,1]