Answer
See the picture.
Work Step by Step
Pay attention to the legend!
Stem: 1; Leafs: 2, 4 and 6 -> 1.2, 1.4, 1.6
Stem: 2; Leafs: 1, 4, 7, 7 and 9 -> 2.1, 2.4, 2.7, 2.7, 2.9
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