FFF 5: Yin Yang

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.

Even-Odd Fillomino In addition to the regular Fillomino rules, all odd numbers must form a single polyomino, and so are all even numbers.

Difficulty 3.0/10 Target time 1:00

FFF 5: Yin Yang
Even-Odd

A balance of everything.

Each odd number is diametrically opposite of an even number and vice versa. Yay.