1, 10, 15, 24,

5, 14, 16, 22,

4, 6, 7, 12,

3, 8, 18, 23,

9, 11, 19, 21,

2, 13, 17, 20,

35, 36, 37,

39, 43, 45,

34, 41, 42,

38, 40, 44,

47, 49, 51,

46, 48, 50,

53, 56, 57,

52, 54, 55,

28, 58, 60, 61,

59, 66, 69,

26, 63, 70, 75,

29, 67, 68, 72,

62, 87, 88,

33, 74, 78, 83,

73, 82, 93,

27, 32, 65, 80, 85,

76, 77, 91,

30, 31, 84, 86, 90,

71, 81, 89,

25, 64, 79, 92,