Friday puzzles: fillomino
Puzzle 1
1079 Fillomino 10×10 RS 04-09-15
Divide the grid into polyominoes. Every digit in the grid must be contained in a polyomino containing that number of cells. No two polyominoes containing the same number of cells may touch horizontally or vertically. A polyomino may contain one, more than one, or none of the digits that are already given in the puzzle.