4/5	4/12	4/19	4/26
S1	S1	B	S2
S1	S1	P	S2
S1	S1	B	S2
S1	S1	P	S2

5/3	5/10	5/17	5/24
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P
S1	S1	S3	B