2, 3, 6, 8,

1, 4, 5, 7,

33, 34, 36, 40,

35, 37, 38, 39,

129, 132, 133, 134,

130, 131, 135, 136,

162, 164, 165, 167,

161, 163, 166, 168,

25, 28, 31, 32,

26, 27, 29, 30,

65, 67, 68, 72,

66, 69, 70, 71,

83, 86, 87, 88,

81, 82, 84, 85,

74, 75, 78, 79,

73, 76, 77, 80,

18, 20, 22, 24,

17, 19, 21, 23,

43, 44, 46, 47,

41, 42, 45, 48,

153, 155, 159, 160,

154, 156, 157, 158,

113, 115, 117, 119,

114, 116, 118, 120,

122, 125, 126, 128,

121, 123, 124, 127,

148, 149, 150, 152,

145, 146, 147, 151,

59, 61, 62, 63,

57, 58, 60, 64,

98, 99, 103, 104,

97, 100, 101, 102,

50, 51, 53, 54,

49, 52, 55, 56,

137, 138, 139, 143,

140, 141, 142, 144,

9, 13, 14, 15,

10, 11, 12, 16,

107, 110, 111, 112,

105, 106, 108, 109,

91, 93, 94, 95,

89, 90, 92, 96,