7 April 2009
27 August 2008
13 June 2008
26 March 2008
28 May 2007
12 April 2007
11 April 2007
→Colorable areas
+6
→Colorable areas
+25
→Colorable areas
−53
→Colorable areas
+2
→Colorable areas
−10
→Colorable areas
+5
→Colorable areas
+6
→Colorable areas
+50