[1,-1,0,2,-2,0,4,-4,0,8,-8,0,16,-16,0,32,-32,0,64, -64,0,128,-128,0,256,-256,0,512,-512,0,1024,-1024, 0,2048,-2048,0,4096,-4096,0,8192,-8192,0,16384, -16384,0,32768,-32768,0,65536,-65536,0,131072, -131072,0,262144,-262144,0,524288,-524288,0]