Clicking one of the sundials in the table will reveal its corresponding graceful labeling.
Alternatively, click the button below to swap the images in the table.
Tree A
2 labelings
diameter=2
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Tree B
8 labelings
diameter=3
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Tree C
14 labelings
diameter=3
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Tree D
8 labelings
diameter=4
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Tree E
16 labelings
diameter=4
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Tree F
6 labelings
diameter=4
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Tree G
26 labelings
diameter=4
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Tree H
10 labelings
diameter=4
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Tree I
22 labelings
diameter=5
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Tree J
36 labelings
diameter=5
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Tree K
16 labelings
diameter=6
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