[This is a repost from our archives with new notes at the top (original post here): Fillomino is one of our main “region division” puzzle styles, as you try to fit several polyominoes into a grid without similar size regions sharing an edge. In this first Fillomino puzzle on the site from ten years ago, the starting arrangement of 1-8 alongside other two by four groups sets up a beginner’s arrangement of numbers to fit into the grid.]

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a number entry mode.)

Theme: Two by Fours

Rules: Standard Fillomino rules.

Estimated Difficulty*: 1.5 stars

Time Standards (highlight to view): Grandmaster = 1:15, Master = 1:30, Expert = 3:00

Solution: PDF

Note: Follow this link for other classic Fillomino and this link for more variations on Fillomino puzzles. If you are new to this puzzle type, here are our easiest Fillomino puzzles to get started on.