Walking Boy
면접 대비시간 제한2초메모리 제한1024 MB
심판이 메시지를 보낸 시각들이 주어질 때, 하루 1440분 안에서 겹치지 않는 120분 산책 두 번이 가능한지 판정한다.
문제
One of the SWERC judges has a dog named Boy. Besides being a good competitive programmer, Boy loves fresh air, so she wants to be walked at least twice a day. Walking Boy requires consecutive minutes. Two walks cannot overlap, but one can start as soon as the previous one has finished.

Boy before and after getting ACCEPTED on this problem.
Today, the judge sent messages to the SWERC Discord server. The -th message was sent minutes after midnight. You know that, when walking Boy, the judge does not send any messages, but he can send a message right before or right after a walk. Is it possible that the judge walked Boy at least twice today?
Note that a day has minutes, and a walk is considered to happen today if it starts at a minute and ends right before a minute . In that case, it must hold that and, for every , either s or .
입력
Each test contains multiple test cases. The first line contains an integer () — the number of test cases. The descriptions of the test cases follow.
The first line of each test case contains an integer () — the number of messages sent by the judge.
The second line of each test case contains integers () — the times at which the messages have been sent (in minutes elapsed from midnight).
출력
For each test case, output one line containing YES if it is possible that Boy has been walked at least twice, and NO otherwise.
힌트
In the first test case, the judge has sent a message at each time multiple of (excluding ). It is impossible that he has walked Boy even once.
In the second test case, the times are the same as above, but and are missing. The judge could have walked Boy, for instance, during the time intervals and . The situation is illustrated in the picture below, where the walks are represented by green intervals.

In the third test case, the times are the same as in the first test case, but is missing. The judge could have walked Boy at most once.
In the fourth test case, Boy could have been walked during the time intervals and .
