6/4	6/11	6/18	6/25
S1	S1	S2	B
S1	S1	P	S2
S1	S1	S2	B
S1	S1	S2	P
S1	S1	S2	B

7/2	7/9	7/16	7/23
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P