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e8

e7

e6

v

v

2

0 e1 e2e3

e4e5

v1

e0

Test sequence (34 edges)

e0 e1 e2 e3e10 e12e7

e9e0 e2 e2e0

e9 e2e6

e4e8

e6

v3

e10

e11

e12

e1e4 e6e7 e5e6 e7e6 e7e7 e11e9e12

e0

e9

e9e1

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v

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e4

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v3

e10

e11

e12

v2

*(1)

*(2)

v1

*(1)

*(2)

e0 e1 e10 e12e7 e5

e0 e2 e9 e2e6 e1 e8 e6

e0 e1 e4 e6 e7e5e6 e7 e6 e7 e7

e11 e12e1 e4e3 e0

e2e2 e4

e9e9 e9e1 e4 e5

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