Fancy Fillomino February: This is a series of 28 (twenty-eight) 7×7 Fillomino puzzles over the February. Every 00.00 UTC+7 a new puzzle will be up. The basic Fillomino rules apply unless otherwise indicated.
No-Rectangle Fillomino In addition to the regular Fillomino rules, no polyomino may be a rectangle.
Difficulty 3.0/10 Master target 0:50 Expert target 2:30
Sky put the restriction that there is no rectangle polyomino in this puzzle. Ironically he put a rectangle from the givens; a diagonal one. Well, why not?
A rather difficult-to-spot starting point, but sails pretty smoothly after with a few bumps.