Grapevine

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Rules[edit]

Grapevines Example.png Grapevines Example Solution.png

Draw vines to connect all grape, i.e. grey hexagons to stems, i.e. black circles, with the same symbol. The vine can branch only at triangular cells and can only start in a single direction from a stem. Every white cell must contain part of a vine. Vines must end on a grape, i.e. no dead ends.

(Rules and example from WPC 2017 IB)

History of the puzzle[edit]

Invented by Dan Adams (USA) in 2017 as a submission for Puzzle Innovations Contest, a pre-event of WPC 2017. This puzzle uses an unusual irregular grid, a common feature for Dan's puzzles.

Appearances in the past WPCs[edit]