61甲子 - 26己丑 = 35
84丁亥 - 39壬寅 = 45
95戊戌 - 40癸卯 = 55
82乙酉 - 17庚辰 = 65 - 60 =5
93丙申 - 18辛巳 = 75 - 60 =15
80癸未 - 55戊午 = 25

--------午
---巳--------未
-辰------------申
卯--------------酉
-寅------------戌
---丑--------亥
--------子

........25
....15......25
..5...........15
55..............5
..45..........55
....35......45
........35