
Home 　Puzzle LightUp Number Place Number Line Heyawake Nurikabe White-Black Pearls Ripple Effect Fillomino Sum Cross Divide by Box Where is Black Cells	Online Puzzle Where is Black Cells　 VerUP ! (20→60problems)
		◆　Rules Where is Black Cells is played on a rectangular grid. Some of these cells have numbers in them. Each cell may be either black or white. The object is to determine what type each cell is. The following rules determine which cells are which: Each number on the board represents the number of white cells that can be seen from that cell, including itself. A cell can be seen from another cell if they are in the same row or column, and there are no black cells between them in that row or column. Numbered cells may not be black. No two black cells may be horizontally or vertically adjacent. Conversely, all the white cells MUST be connected horizontally or vertically.
	◆　10 problems for beginners 　　　（Size of a cell 4x4 5problems,5x5 5problems） ◆　60problems 　　　（Size of a cell 9x9 30problems,13x13 15problems,17x17 15problems）

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