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1, 2, 4, 8, 16, 32, 64, 128, 256, 489 in 10 bags (Total 1,000)
) z; c3 H; l( v7 lFor 3, take bag 1 & 2
/ s( I3 I; i. M# f# M/ P( p/ z8 @) U  a公仔箱論壇For 12, take bag 3 & 4
) Y& V5 M# l1 e$ k0 D公仔箱論壇So any nos. within 1,000 can be made by these 10 bags combination.