Fillomino Instructions

Rules: The challenge is to add numbers to all cells, subject to the following rules:

1. All numbers on the grid must be part of an polyomino of the same order.
2. No two polyominoes of  the same order can touch horizontally or vertically.
3. Givens may or may not be part of the same polyomino, conversely not all final polyominoes may start with a given.