Blacken some cell in the grid so that all black cells are connected orthogonally in the grid. No 2x2 area can be fully blackened. A cell with number(s) cannot be blackened. A number in a cell indicates the number of directly adjacent black neighboring cells (all 8 cells around it). Several numbers in the same cell indicates separated groups of black cells separated by at least one white cell. The positions of the black cells are irrelevant. A ? denotes a number greater than zero.
You can use Penpa-edit for solving it on your browser.
Solution code: Row 5, followed by column 4 (left to right, top to bottom). Use 1 for a black cell and 0 for a white cell (treat clues as white). The relevant row and column are marked by an arrow.
on 19. February 2024, 08:28 by Playmaker6174
The connectivity logic in this one are absurdly strong, some parts made me sit and stare for a while but all made up for a rewarding and memorable solve at the end :)
on 20. June 2020, 13:41 by ropeko
Sehr schönes Tapa!
on 20. June 2020, 13:27 by Rollo
Tolles Teil! Ob man die Sudokis damit locken kann?