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Session{1...17, 20...40}_duty.csv
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Measured duty factors during 10 steps of the experiment. 
Session{1...17, 20...40} means the index of the Session.(Session 18 & 19 do not exist.)
Files are created by Comma-Separated Values format (csv). 
Data of each file are formatted as follows.

Duty factors during 10 steps in each belt speed condition. 
 - 1st col: data in slow leg during slow tied configuration 1 
 - 2nd col: data in fast leg during slow tied configuration 1
 - 3rd col: data in slow leg during fast tied configuration
 - 4th col: data in fast leg during fast tied configuration
 - 5th col: data in slow leg during slow tied configuration 2
 - 6th col: data in fast leg during slow tied configuration 2
 - 7th col: data in slow leg during split-belt configuration
 - 8th col: data in fast leg during split-belt configuration



