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| back to board | note for who WA#4 Posted by hoan  20 Dec 2010 23:52we dont know use the locomotive as a carriage, like:input:
 1 1
 AA
 AB
 
 output:
 NO
 
 GOOD LUCK!!!
Re: note for who WA#4 Thank you! I got WA#14 but it's in past. =)Re: note for who WA#4 Posted by Eray  16 May 2021 13:30Thanks too! I've got WA#14 in the past and I've got AC now.
 It means, be careful that the end should be the same as the locomotive.
 
 e.g. if the locomotive is "AA" then the last should be "AA" or "BA", such as "ABBA" with locomotive "AA" is correct but "ABBA" with locomotive "BA" is incorrect.
 (sorry for my bad English)
Re: note for who WA#4 Posted by PEIMUDA  15 Oct 2022 10:48Thanks!I got WA on Test #14
 After reading this,I know my understanding was wrong
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