Grains of perpetual motion

month

2012 2013

January 65
February 72
March 8
April 31
May 29
June
July
August
September
October
November
December

2011 2012 2013

January 34
February 4
March 4
April 8
May 4
June 6
July 8
August 8
September 1
October 3
November 3
December 7

2011 2012

January
February
March
April
May
June
July
August 26
September 24
October 26
November 3
December 43

March 2012

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