Tuesday puzzles: neighbours - boxes
Puzzle 1
0891 Neighbours boxes 9×9 RS 02-06-15
Place digits 1–3 in the grid so that in each row, column and black outlined 3×3 box, each digit appears three times. 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. All grey cells are given.