NURIKABE 2

Click a square to make it part of the continuous wall (lightskyblue)
Click again to make it part of a group (limegreen)
Click a third time to change it back to the default state (silver)
By default all squares silver unless part of a group

Rule 1: The squares in a group must be equal to the number shown
Rule 2: Form a continuous, non-looping wall around all groups
Rule 3: The wall can't have any groupings of 2x2 squares

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1 2 1 1 1

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1 1 1 1 3

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1 1 1 1 1

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1 2 1 1 1

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1 1 1 3 1

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1 1 1 1 1

SOLVE

More Nurikabe Puzzles:
Puzzle 1
Puzzle 2
Puzzle 3