2/5	2/12	2/19	2/26
S1	B	S1	S2
S1	B	S1	S2
S1	S1	B	S2
S1	B	S1	S2
S1	B	S1	S2

3/5	3/12	3/19	3/26
S1	P	S1	S3
S1	P	S1	S3
S1	P	S1	S3
S1	P	S1	S3
S1	P	S1	S3