Trace: • coins
wiki:donuts:springsummer2014:answers:coins
Answer
It'll take 3 rounds.
Number the coins from 1-7.
Beginning: H H H H H H H
Round 1: flip 1, 2, 3, 4, 5 ( T T T T T H H )
Round 2: flip 2, 3, 4, 5, 6 ( T H H H H T H )
Round 3: flip 2, 3, 4, 5, 7 ( T T T T T T T )
wiki/donuts/springsummer2014/answers/coins.txt · Last modified: 2014/07/09 12:37 by jmb438