Thursday puzzles: neighbours
Puzzle 1
0881 Neighbours 9×9 28-05-15
Place digits 1–3 in the grid so that in each row and column, each digit appears three times. Digits in grey cells do not share an edge with a cell containing the same digit. Digits in white cells share an edge with at least one cell containing the same digit. All grey cells are given.
Puzzle 2
0882 Neighbours 9×9 28-05-15
Place digits 1–3 in the grid so that in each row and column, each digit appears three times. Digits in grey cells do not share an edge with a cell containing the same digit. Digits in white cells share an edge with at least one cell containing the same digit. All grey cells are given.