To make a Group, neighbors grow more
A Pair grows into a Set one way. Two in a row grow into a Run two ways.
A Pair grows into a Set one way. Two in a row grow into a Run two ways.
A Pair grows into a Set one way. Two in a row grow into a Run two ways.
Takeaway: To build a Group, two in a row beat a Pair.
In Mahjong Island, a Pair grows into a Set only one way: with its third copy.
Two in a row grow two ways: 4 and 5 Bamboo take a 3 or a 6.
So if you need a Group, two in a row give you more chances than a Pair.
Next lesson: Count the copies
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