1, 0, 0, -1, 1, 0, 0, 0, 0, -1, 1, -1, 2, -2, 2, -1, 1, -2, 1, -1, 3, -2, 2, -4, 3, -2, 3, -4, 4, -4, 5, -6, 6, -7, 6, -4, 7, -8, 5, -8, 12, -11, 12, -14, 13, -12, 13, -14, 13, -14, 19, -21, 20, -24, 24, -22, 27, -27, 23, -30, 37, -34, 35, -40, 42, -40, 41