1, 3, 4, 7,

2, 5, 6, 8,

49, 50, 51, 56,

52, 53, 54, 55,

65, 68, 69, 71,

66, 67, 70, 72,

33, 34, 35, 37,

36, 38, 39, 40,

58, 59, 61, 64,

57, 60, 62, 63,

123, 124, 126, 129,

122, 125, 127, 128,

81, 82, 85, 86, 89,

83, 84, 87, 88,

10, 11, 15, 24,

9, 17, 20, 23,

98, 102, 103, 105,

99, 100, 101, 104,

41, 42, 45, 46,

43, 44, 47, 48,

114, 115, 118, 120,

116, 117, 119, 121,

162, 163, 164, 168,

165, 166, 167, 169,

12, 16, 19, 22,

13, 14, 18, 21,

147, 148, 150, 153,

146, 149, 151, 152,

131, 132, 134, 135,

130, 133, 136, 137,

75, 78, 79, 80,

73, 74, 76, 77,

107, 109, 111, 112,

106, 108, 110, 113,

154, 155, 157, 161,

156, 158, 159, 160,

90, 92, 94, 95,

91, 93, 96, 97,

25, 27, 28, 31,

26, 29, 30, 32,

138, 140, 144, 145,

139, 141, 142, 143,