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Notice: Temporary stop of the website on Sunday, August 18, between 10:00 and 12:00

Due to the maintenance work of the network, the website will be unusable temporarily.

On Sunday, August 18, 2019, between 10:00 and 12:00

(There will be 15 minutes-stop twice, and 5 minutes- stop several times.)

We apologize the inconvenience and appreciate your kind understanding.