(Published on 14. February 2014, 12:00 by Richard)
invented the puzzle type Neighbours
in 2012. It was one of the types in the Dutch round of Eighty puzzles around the World
during WPC in Beijing in 2013.
Place digits 1-3 in the grid so that in each row and column each digit appears three times. (Twice in the example.) Numbers in grey cells do not share an edge with a cell containing the same number. Numbers in white cells share an edge with at least one cell containing the same number.
Solution code: Row 4, followed by column 4.
Last changed on on 14. February 2014, 18:45
Solved by Joo M.Y, flaemmchen, Statistica, lutzreimer, rubbeng, Ute2, zuzanina, adam001, ch1983, zorant, AnnaTh, pokerke, saskia-daniela, 111chrisi, pin7guin, PRW, RALehrer, Mody, r45, Alex, Luigi, Thomster, ... Carolin, garganega, pwahs, kyrka, rcg, Joe Average, Saskia, Matt, Nothere, lubosh, marsigel, skywalker, Mathi, Realshaggy, Kekes, amitsowani, cdwg2000, Puzzle_Maestro, Lagavulin, en-passant, Morla
on 14. February 2014, 18:45 by Richard
"h" added in the title
Last changed on 14. February 2014, 13:14
on 14. February 2014, 13:04 by Joo M.Y
Typo in title. (No "h" again!)