Posted by Debbie on Monday, December 17, 2007 at 8:53pm.
I think you've left out some information. How often does he run and swim?
He rock-climbs the following days from now
day no. 5,10,15,20,...
he swims on
day no. 3,6,9,12,15,18,..
ahhh, what do you notice?
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