回複:紅色單位正方形問題解答

but can i put the red square on diagonal line?

所有跟帖: 

It does not matter! The key is... -群眾丁- 給 群眾丁 發送悄悄話 (254 bytes) () 04/30/2009 postreply 10:29:14

回複:It does not matter! The key is... -外-國人- 給 外-國人 發送悄悄話 (122 bytes) () 05/01/2009 postreply 16:51:16

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