2015 12  4 Hanasaki requested data to Yoshikawa
2015 12  7 Yoshikawa sent data and code (map+cpl.zip)

It included
 - in__3___20000000.hlf.little
 - out_3___20000000.hlf.little

Hanasaki analzed the data

Hanasaki convereted these binary in to ascii, then copied to xls
 - in__3___20000000.txt
 - out_3___20000000.txt
 - data.xlsx

2016  1 29 Hanasaki asked questions to Yoshikawa attaching data.xlsx
           Also asking specify the name of canals

2016  2 18 Yoshikawa sent data_including_name.xlsx

2016  7 13 Hanasaki resumed the work.

