Fill the gap
4 and 6 have a gap. A 5 between them, or a Joker standing in for it, makes a Run.
4 and 6 have a gap. A 5 between them, or a Joker standing in for it, makes a Run.
4 and 6 have a gap. A 5 between them, or a Joker standing in for it, makes a Run.
Takeaway: A gap needs the middle tile, or a Joker.
In Mahjong Island, 4 and 6 Bamboo become a Run only with a 5, or a Joker standing in for it.
The 5 Bamboo is the only real tile that fills the gap.
A gap finishes one way, while two tiles side by side in the middle finish two.
Next lesson: Only the Pair is missing
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