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Question related to mission Behind 2048

The 2nd demonstrative data set should be the result after `right` operation, rather than `left`.

Wrong test data: by the raw outputs pasted below, there should be a '2' on the right lower blank, which is absent in the `Right result`.

Your result: [[32,2,256,64],[128,32,16,32],[16,16,0,0],[0,0,0,2]] Right result: [[32,2,256,64],[128,32,16,32],[16,16,0,0],[0,0,0,0]] Fail: checkio([[[32,2,256,64],[128,32,16,32],[16,16,0,0],[0,0,0,0]],"up"])

URL from: http://www.checkio.org/mission/simple2048/solve/ HTTPUSERAGENT: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36