5. For the accompanying graphs (a) through (c), write a Hamiltonian circuit starting at X3.
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5.
Possible answers include:
(a) Answers will vary. One Hamiltonian circuit is X3X1X2X4X5X6X3.
(b) X3X2X1X6X7X8X9X10X11X12X5X4X3
(c) X3X1X2X7X6X9X8X5X4X3