Match or in a row
Three tiles must all match or all be in a row. 7, 7, and 8 is neither.
Three tiles must all match or all be in a row. 7, 7, and 8 is neither.
Three tiles must all match or all be in a row. 7, 7, and 8 is neither.
Takeaway: All the same, or all in a row.
In Mahjong Island, a Group's tiles either all match or all run in a row. 7, 7, and 8 Characters does neither.
Three 7 Characters all match, so they make a Set.
And 7, 8, and 9 Characters run in a row, so they make a Run.
Two of one tile plus its neighbor is halfway to both, and finished as neither.
Next lesson: Dragons never make a Run
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