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March 2006
Date
Easy
Moderate
Challenging
Difficult
Insane
Nightmare
Mar 05
X
X
X
X
X
X
Mar 06
X
X
X
X
X
X
Mar 07
X
X
X
X
X
X
Mar 08
X
X
X
X
X
X
Mar 09
X
X
X
X
X
X
Mar 10
X
X
X
X
X
X
Mar 11
X
X
X
X
X
X
Mar 12
X
X
X
X
X
X
Mar 13
X
X
X
X
X
X
Mar 14
X
X
X
X
X
X
Mar 15
X
X
X
X
X
X
Mar 16
X
X
X
X
X
X
Mar 17
X
X
X
X
X
X
Mar 18
X
X
X
X
X
X
Mar 19
X
X
X
X
X
X
Mar 20
X
X
X
X
X
X
Mar 21
X
X
X
X
X
X
Mar 22
X
X
X
X
X
X
Mar 23
X
X
X
X
X
X
Mar 24
X
X
X
X
X
X
Mar 25
X
X
X
X
X
X
Mar 26
X
X
X
X
X
X
Mar 27
X
X
X
X
X
X
Mar 28
X
X
X
X
X
X
Mar 29
X
X
X
X
X
X
Mar 30
X
X
X
X
X
X
Mar 31
X
X
X
X
X
X
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