USA Graph Puzzle

Can you identify the 48 contiguous US states, and the District of Columbia, on this graph 'map' where states are represented by nodes and borders by edges? (See 'More Info' for instructions.)

Forced Order Answers have to be entered in order
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More Info:
  • States that touch at a single point are not considered bordering (i.e. Arizona does NOT border Colorado, and New Mexico does NOT border Utah). This follows the standard definition of "border" in mathematics (topology).
  • Only land borders are used.
  • Beware that this map faithfully depicts ONLY bordering relationships, not relative position in space.
Picture Click: Click on regions of an image
Forced Order: Answers have to be entered in order
Last Updated: Dec 30, 2021
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