17th: (b) 2 close, 6 open, 5 close, 1 open, 1 close, 1 open, 2 close, 20 open, 4 close, 1 open, 2 close, (a) 5 open.
18th: (b) 2 close, 7 open, 4 close, 1 open, 1 close, 1 open, 2 close, 19 open, 4 close, 1 open, 2 close, (a) 7 open.
19th: (b) 2 close, 8 open, 4 close, 2 open, 2 close, 11 open, 3 close, 5 open, 4 close, 1 open, 2 close, (a) 7 open.
20th: (b) 2 close, 8 open, 4 close, 2 open, 2 close, 9 open, 4 close, 5 open, 4 close, 1 open, 2 close, (a) 9 open.
21st: (6) 2 close, 9 open, 4 close, 1 open, 3 close, 7 open, 4 close, 5 open, 4 close, 1 open, 3 close, (a) 4 open, 3 close, 2 open.
22nd: (b) 2 close, 10 open, 3 close, 1 open, 4 close, 5 open, 6 close, 3 open, 4 close, 1 open, 3 close, (a) 3 open, 3 close, 1 open, 2 close, 2 open.
23rd: (b) 2 close, 11 open, 3 close, 1 open, 4 close, 5 open, 11 close, 1 open, 3 close, 3 open, 1 close, 1 open, 1 close, (a) 1 open.
24th: (b) 2 close, 6 open, 8 close, 2 open, 18 close, 1 open, 4 close, 3 open, 1 close, 1 open, 1 close, (a) 1 open.
25th: (b) 2 close, 5 open, 11 close, 2 open, 14 close, 2 open, 4 close, 3 open, 2 close, 1 open, 1 close, (a) 1 open.
26th: (b) 2 close, 4 open, 13 close, 2 open, 11 close, 3 open, 5 close, 3 open, 4 close, (a) 1 open.