How to play Lava

  1. No 2x2 of shaded cells
  2. One contiguous shaded region and one contiguous unshaded region
  3. Max of 1 shaded cell touching the edge of the board
  4. Pearls mark shaded cells with a number of orthogonal neighbors who are shaded that isn't equal to 2

Breaks rule 1: No 2x2 of shaded cells

Breaks rule 2: One contiguous shaded region and one contiguous unshaded region

Breaks rule 2: One contiguous shaded region and one contiguous unshaded region

Breaks rule 3: Max of 1 shaded cell touching the edge of the board

Breaks rule 4: Pearls mark shaded cells with a number of orthogonal neighbors who are shaded that isn't equal to 2

Solved! :D