Rules of Heyawake puzzle

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Rules of Heyawake (Flash)

Rules of Heyawake (Text)

  1. Shade cells in the rooms according to these rules.
  2. A room containing a number will have that exact amount of shaded cells. A room without a number contains an unspecified amount of shaded cells.
  3. A single line of white cells may not exceed two rooms in length.
  4. Shaded cells cannot touch, except diagonally.
  5. All white cells must be connected in a single path. There must be no isolated blocks of white cells.