有5顆外觀、大小相同的紅色小球，其中3顆的重量相同；另2顆的重量與其他3顆的不一樣，而且不知道重量是比較輕還是比較重。已知那2顆球不是等重就是等輕，現在給你一個天秤，再給你3次使用天秤的機會，請找出那2顆不同的球。
解答(想要解密請聯絡作者)：
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Xg3QchZA6oYndOkbSHSN_SQOvS4sKYydXCnNfiRL6rYUdeEWSmCs_SMpvzk4JLGZVy3VfhBZ5J01dvI5SHSA8hYbvgwoKLWXXSjqfg1t6q88dMkeQ3CB_zc-vgkJK6G2XCnQfw1K6oo7dMsaS2Ch_gIFsDcqK52ZXgn2cy1L6oA8ctkUpsYH_zc3sTEPI7GAsnLZFkpEnP84ALwmKyi1k1Ew338rQeSdN3XhFkpkrv0iFb4GLyulq18T43EwU-qAPHbJFUNwgf83N7wyOimIs1Ew334kS-qGJ3bJFUh0gP4AEb8-DyuXnl8B2nEEfeqYAnTYEUtcjvk4E746ACi1ml49-HMpROuRB3b1Okh0jfMZF7EeKyuhtlwr1X8NSCumkPnb-MkNwgf0UPb0sICqhu10X1HAnc-q2FHXhH0Vti_IwFr46ACmWgVEw33ISSuq9HHLZFElqj_wmDbAVESm0qVAw-HkQQOmhG3n4PklNiv0iFbwTBSWsnF8B2n47Q-iGEHb1Okh0jfMZF7wEICuhtlwr1X8NSuuSLnb1Okh0hPMZF7wEICuhtl0Kwn8NSumjM3XhO0Nwgf83Pr4JCSuhtlwrzX8NSuqKO3TmE0tOt_0kDroWLiuhtlwp0HAAbeq9HHfAFElKgP83B746ACi3jlEw33E8T-WSP3b1Okh0jfMZF74GLyiznF82_XkQQOWRHXTgJURtrPUEHb46ACi1k1Ew33E8T-iINHb1OklXlvMZF74GLyqVtV0Q3nE2SOKmI3nSM0h0gP8BIrE3DSOxll899XIUTOS7PnbJFUlegf0UPb0sICWsnF8B2nA0Y-ibP3bDEk9MjxCyctkWREeo_RQ9vS4sKqG7Xzb9cxV_5bsZfuUaS2Ch_gIdvzoNK6q-XCnUcxV_5bsZctkUS2Ch_gAYvzoNK6q-XgjbcypB6JUudvU6SHSN8xkXvgYvJIWdXz31chRF5Ls-dskVS2up9QQdsR0JKbSpUDD4eRBA6rYUdMINRW2L_SgSvAQgK6G2XCvNfw1K6oo7d8E5SU2K_SIVtio3JIa_XCnUcxV_5bsZfuUaS2Ch_gAYsDcqK52ZXQPVcQBg6aAsePgQS1yO_CA-vBcrK5eeWxHbnKYvjZpQGvxxAGDpojh39TdLa6n-ABy8Lx8krLtXLdVxAGDpoDR39TdLa6n_ASKxNw0vjZhfPfVyFEXrthl2_jJKVY__Phy8GTorobZcKdl_DUrqijt50RFLYKH-ABiwNyornZlfNv15EEDlkR104CVEbaz1BB2-OgAot5ZRMN9xPE_oiDR29TpIdpnzGRe-Bi8qlbVdEN5xNkjipiN50jNIdID_ASKxNw0jsZZfPfVyFEzkuz52yRVJXoH9FD29LDglrJxfAdpwNGPomz92wxJPTI8QsnLZFkRHqP0UPb0uLCqhu182_XM-QOq2FHXjGkpgrP0fNbAVESi1l10o6n4NbeKmNHTQEUlEi_8wNL4iLCWBnlAtzH8rQeqxF3LZFEtgof4AGL86DSuqvl4I23MjWuq2FHXjAkVti_0oErEeKyuhtlwp2X8NSuqKO3XnEEtrqfUEHbEdCSm0qVAw-HkQQOiVF3bGM0tgof4CHbA3KiudmV8T43MtS-KmI3XhG0l1vvIZMLYqICmCtV8O_HEAYOmiOHj4EEtcjv06K7wXKyOxllwp_3IUWOiSEXbNPkVLgPM_HrwZAymLl14f8XMrduq2FHXhH09MjP0UPbwNNyWsnF8B2nIUYeqAPHQ