1 June 1917 - 3 June 1917
16 Feb 1918 - 19 Feb 1918
18 Feb 1918 - 21 Feb 1918
20 Feb 1918 - 23 Feb 1918
22 Feb 1918 - 25 Feb 1918
25 Feb 1918 - 27 Feb 1918
26 Feb 1918 - 28 Feb 1918
3 June 1917 - 5 June 1917
10 Mar 1918 - 12 Mar 1918
12 Mar 1918 - 14 Mar 1918
14 Mar 1918 - 16 Mar 1918
15 Mar 1918 - 17 Mar 1918
17 Mar 1918 - 19 Mar 1918
19 Mar 1918 - 21 Mar 1918
20 Mar 1918 - 23 Mar 1918
22 Mar 1918 - 24 Mar 1918
24 Mar 1918 - 26 Mar 1918
4 June 1917 - 7 June 1917
25 Mar 1918 - 27 Mar 1918