Kurodoko
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| ●Sample | ●Progressing | ●Solution |
Rules
1. Colour cells black according to the following rules.
2. The numbers on the board show the number of white cells from the number
to the nearest black cell or to the frame of the board (horizontal + vertical).
3. The cells with numbers cannot be black, they are and remain white.
4. Black cells cannot touch horizontally or vertically,
and all white cells must be connected.