Keeping a close eye on your opponents is one strategy that works. You can learn a lot about their possible hands by keeping an eye on the cards thenolimit city slots demoy draw and discard. Making strategic choices about which cards to keep & which to discard can be aided by this information. For instance, it might be a sign that your opponent is aiming for a particular meld if they routinely remove cards from the discard pile that you have already discarded.
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