(1, 1)
(2, 2)
(6, 5)
(7, 6)
(13, 12)
(14, 13)
(15, 14)
(16, 15)
(17, 16)
(18, 17)
(34, 29)
(35, 30)
(36, 31)
(38, 33)
(68, 62)
(80, 74)
(81, 75)
(82, 76)
(83, 77)
(84, 78)
(85, 79)
(86, 80)
(87, 81)
(88, 82)
(89, 83)
(90, 84)
(91, 85)
(92, 86)
(93, 87)