2/2	2/9	2/16	2/23
S1	B	S1	S2
S1	B	S1	S2
S1	P	S1	S2
S1	B	S1	S2

3/2	3/9	3/16	3/23
S1	S1	S3	P
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P