Heyawake/en

Instructions

   

Blacken out some of the field in the diagram so that no two black fields touch it other horizontally or vertically and alle white fields are connected (that is, the black fields do not depart the puzzle in two or more parts). Additionally no horizontally or vertically sequence of white field may pass through more than two areas. The number in the fields gib the number of black fields in that area.

Fields with numbers may be blackend.