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UVWXYZ (Posted on 2013-05-27) Difficulty: 4 of 5
Alice and Bob play a game. Starting with Alice, they alternate in selecting digits for a 6-digit decimal number UVWXYZ that they construct from left to right. Alice chooses U, then Bob chooses V, then Alice chooses W, and so on. No digit can be repeated. Alice wins if UVWXYZ is not a prime. Can Alice always win?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
re(2): No Subjectxdog2013-05-28 15:20:32
SolutionANSWERAdy TZIDON2013-05-28 12:03:25
my consistent wayAdy TZIDON2013-05-28 12:02:00
Hints/Tipsre(2): No SubjectAdy TZIDON2013-05-28 11:27:15
re: No SubjectCharlie2013-05-28 10:47:01
Solutionre(2): My solution (computer assisted)Charlie2013-05-28 10:22:16
No Subjectxdog2013-05-28 10:05:12
Hints/Tipsre: My solution (computer assisted)Ady TZIDON2013-05-28 08:51:13
Hints/Tipsre: My solution (computer assisted)Ady TZIDON2013-05-28 08:37:38
SolutionMy solution (computer assisted)Charlie2013-05-27 17:27:28
Hints/Tipsre: An approach,etc + hintAdy TZIDON2013-05-27 16:31:28
An approach, no guaranteexdog2013-05-27 16:11:43
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