Table 5. The Changes of H-B Scale and Y-system in Case 1

Days	1	2	3	4	5	6	7	8	9	10	11	12	13
H-B Scale	5	5	4	4	3	3	3	3	3	3	3	3	3
Y-system	15	15	15	17	19	20	23	23	24	24	24	25	25