12/1	12/8	12/15	12/22
S1	S1	S2	B
S1	S1	S2	B
S1	S1	S2	P
S1	S1	S2	B

1/5	1/12	1/19	1/26
S1	S1	S3	P
S1	S1	S3	P
S1	S1	S3	B
S1	S1	S3	P