{"shas":[["797c3bd1d7c035ac99dfb02f8be35b3685eec9eb","2c36f90144c3740f950fc91906e7cedcde3c2b62@gmail.com","solution to 2.58 a and b. Need to test more.","Ramakrishnan Muthukrishnan"]],"ref":"refs/heads/master","push_id":20494985,"head":"797c3bd1d7c035ac99dfb02f8be35b3685eec9eb","size":1}