Monday, May 3, 2010

Blocked View Skyscrapers: B1

This puzzle type I created for "Contest for best logic innovation"

Fill the grid with digits 1 to 4, so that each digits appears exactly once in every row/column. The cells in the grid can be thought of as individual buildings, and the number inside the building is the number of floors. A number outside the grid indicates how many buildings can be "seen" from the corresponding direction. Additionally each row/column contains a blocker. Observer cannot see beyond the blocker.
A building is seen by an observer if there are not buildings taller (with a greater number), between it and the observer and it is not blocked by a blocker in that direction.

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