2/4	2/11	2/18	2/25
S1	S1	S2	B
S1	S1	P	S2
S1	S1	S2	B
S1	S1	S2	P
S1	S1	S2	B

3/4	3/11	3/18	3/25
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P