Cotton	Observation	Strength
15	1	7
15	2	7
15	3	15
15	4	11
15	5	9
20	1	12
20	2	17
20	3	12
20	4	18
20	5	18
25	1	14
25	2	18
25	3	18
25	4	19
25	5	19
30	1	19
30	2	25
30	3	22
30	4	19
30	5	23
35	1	7
35	2	10
35	3	11
35	4	15
35	5	11