Sunday puzzles: neighbours - boxes
Puzzle 1
1125 Neighbours boxes RS 27-09-15
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.