Nurikabe Pairs

** Nurikabe（Pairs）Rule**

• Fill in the cells under the following rules.

• You cannot fill in cells containing numbers.

• A number tells the number of continuous white cells. Each area of white cells contains only one number in it and they are separated by black cells.

• The black cells are linked to be a continuous wall.

• Black cells cannot be linked to be 2×2 square or larger.

Nurikabe Pairs each island must contain exactly two numbers (instead of one) and have total size equal to the sum of these numbers.