Can you solve it? Give your grey cells a party with the Sweet 16 puzzle | Mathematics | The Guardian
16 white puzzles pieces arranged in a square. Jigsaw Puzzle template ready for print. Cutting guidelines isolated on white Stock Vector Image & Art - Alamy
16 white puzzles pieces arranged in a round shape. Jigsaw Puzzle template ready for print. Cutting guidelines isolated on white Stock Vector Image & Art - Alamy
16 Puzzle 15x21cm 24 Teile weiß – Bastelkontor Lübeck