Hotaru Beam
Hotaru Beam is a binary-determination logic puzzle published by Nikoli.
Description
Hotaru Beam is played on a rectangular grid, usually of dashed lines, in which numbers in circles appear at some of the intersections on the grid. Additionally, each circle has a dot on one of the grid lines leading into the circle.
Rules (translated from Nikoli)
- Draw a line from each white circle's black dot to another white circle, following the grid's horizontal and vertical markings.
- Lines cannot be drawn from a black dot to another black dot, nor can they be drawn from a white circle not at its black dot to a white circle not at its black dot.
- No crossing or branching of lines is acceptable. At the end, the drawn lines will connect all white circles to form a single, contiguous network.
- The number on the white circle dictates how many times the line you draw from its black dot must bend before it meets another white circle.
Solution methods
Unsolved Hotaru Beam grid. Note: There is an error in this image; the outer edges should not be shown as part of the grid.
Solved Hotaru Beam grid. Note: There is an error in this image; the outer edges should not be shown as part of the grid.
A circle with 0 on it (not the same as a blank circle) is a given: It will have at least one line going straight in the direction of the dot until it hits another circle. Each circle will have a line coming out of it in the direction of the dot. Since turning at the corner of the grid counts as a turn, a 1 circle near the corner may be forced to simply continue along the edge of the grid.
gollark: Meh.
gollark: I mean human death.
gollark: Yes, that's important. Although I don't think you could fix death and *not* aging in some way barring, well, magic.
gollark: It annoys me that *some people* go around talking about how great death is and how life wouldn't be meaningful without it and all that.
gollark: Yes, death is very uncool and we should remove it.
See also
- List of Nikoli puzzle types
References
- Nikoli's description of the puzzle (in Japanese), with example.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.