Draw paths from each each arrow such that all cells of the grid are visited by paths. A path can move only into the cell that is pointed at by the arrow, and then moving through the centres of cells horizontally or vertically. A path can visit either four or five cells including the cell with the arrow.
(Rules and example from WPC 2017 IB)
History of the puzzle
Invented by Anurag Sahay (India). The first puzzle was posted in Anurag's blog in January 2012.
Appearances in the past WPCs
- WPC 2017/Round 2 by Prasanna Seshadri