23 Feb 1917 - 25 Feb 1917
25 Feb 1917 - 27 Feb 1917
26 Feb 1917 - 28 Feb 1917
28 Feb 1917 - 1 March 1917
2 March 1917 - 4 March 1917
4 March 1917 - 6 March 1917
5 March 1917 - 7 March 1917
Corner turned over bottom left
7 March 1917 - 9 March 1917
9 March 1917 - 10 March 1917
10 March 1917 - 13 March 1917
12 March 1917 - 14 March 1917
14 March 1917 - 16 March 1917
16 March 1917 - 18 March 1917
18 March 1917 - 20 March 1917
19 March 1917 - 22 March 1917
21 March 1917 - 23 March 1917
23 March 1917 - 24 March 1917
25 March 1917 - 27 March 1917
26 March 1917 - 28 March 1917
28 March 1917 - 30 March 1917
30 March 1917 - 1 April 1917
31 March 1917 - 2 April 1917
2 April 1917 - 4 April 1917
4 April 1917 - 6 April 1917