0000000000000000000000000000000000000000 cdf96ca38ed0b8eee2ec616dc706d63fb72256dd Arya Zhao <lz2650@columbia.edu> 1614217555 -0800	branch: Created from main
cdf96ca38ed0b8eee2ec616dc706d63fb72256dd 5ea58ad588ef60cec00bbb5d3721405f7db69632 Arya Zhao <lz2650@columbia.edu> 1614217699 -0800	pull origin channel: Merge made by the 'recursive' strategy.
5ea58ad588ef60cec00bbb5d3721405f7db69632 db9bd0c5064c117b60d411bd7035fea95fac2bf9 Arya Zhao <lz2650@columbia.edu> 1614220033 -0800	commit: change arrow to Uarrow, Larrow, Rarrow for channel
