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February 2007
Date
Easy
Moderate
Challenging
Difficult
Insane
Nightmare
Feb 01
X
X
X
X
X
X
Feb 02
X
X
X
X
X
X
Feb 03
X
X
X
X
X
X
Feb 04
X
X
X
X
X
X
Feb 05
X
X
X
X
X
X
Feb 06
X
X
X
X
X
X
Feb 07
X
X
X
X
X
X
Feb 08
X
X
X
X
X
X
Feb 09
X
X
X
X
X
X
Feb 10
X
X
X
X
X
X
Feb 11
X
X
X
X
X
X
Feb 12
X
X
X
X
X
X
Feb 13
X
X
X
X
X
X
Feb 14
X
X
X
X
X
X
Feb 15
X
X
X
X
X
X
Feb 16
X
X
X
X
X
X
Feb 17
X
X
X
X
X
X
Feb 18
X
X
X
X
X
X
Feb 19
X
X
X
X
X
X
Feb 20
X
X
X
X
X
X
Feb 21
X
X
X
X
X
X
Feb 22
X
X
X
X
X
X
Feb 23
X
X
X
X
X
X
Feb 24
X
X
X
X
X
X
Feb 25
X
X
X
X
X
X
Feb 26
X
X
X
X
X
X
Feb 27
X
X
X
X
X
X
Feb 28
X
X
X
X
X
X
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