[1,2,4,4,8,8,8,8,16,16,16,16,16,16,16,16,32,32,32, 32,32,32,32,32,32,32,32,32,32,32,32,32,64,64,64, 64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64, 64,64,64,64,64,64,64,64,64,64,64,64,64,128,128]