0: 0 1: 1 2: 1 3: 0 4: 1 5: 0 6: 0 7: 0 8: 1 9: 0 0.5: 1 0.2: 0 0.25: 1 0.125: 1 -1: 1 -2: 1 -3: 0 -.25: 1