December 24, 2012
December 12, 2012
December 8, 2012
November 29, 2012
Puzzle 045 - Skyscrapers [Toroidal]
Rules:
Enter numbers from 1 to 5 (from 1 to 6 in second puzzle) into white cells, so that no number appears more than once in every row or column. Number represents the height of skyscraper in the cell.
Number with arrow indicate how many skyscrapers are visible from that direction.
In this puzzle, the grid is toroidal.
Enter numbers from 1 to 5 (from 1 to 6 in second puzzle) into white cells, so that no number appears more than once in every row or column. Number represents the height of skyscraper in the cell.
Number with arrow indicate how many skyscrapers are visible from that direction.
In this puzzle, the grid is toroidal.
November 25, 2012
Puzzle 044 - Battleships
Rules:
Place the given fleet in the grid.
Numbers in the grid indicate the total amount of cells occupied by ship segments in that row and column.
Ships can't be placed on cells with numbers.
Place the given fleet in the grid.
Numbers in the grid indicate the total amount of cells occupied by ship segments in that row and column.
Ships can't be placed on cells with numbers.
November 16, 2012
October 9, 2012
Puzzle 042 - Japanese Sums
Place digits from 1 to 5 in some cells, so that no digit repeats in any row or column.
The numbers abobe the grid indicate the sums of consecutive digits in the correct order.
September 11, 2012
Puzzle 041 - Regional Yajilin (LMI Practice)
LMI test "Borders & Beyond"
12/09/11 fixed
Rules:
Shade in some cells. Shaded cells are not allowed to be orthogonally adjacent.
Draw a closed loop that passes through all the remaining cells.
A number in a region indicate the number of shaded cells in that region.
Some segments of the loop may be given.
Some segments of the loop may be given.
12/09/11 fixed
September 8, 2012
Puzzle 040 - Coded Skyscrapers
Rules for Skyscrapers
Some numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
August 23, 2012
Puzzle 037 - Coded Skyscrapers
Rules for Skyscrapers
The numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
August 12, 2012
Puzzle 036 - Skyscrapers Rising (LMI Practice)
LMI test "akil oyunlari magazine competition"
(18-20 August 2012)
Rules for Skyscrapers
Additionally, the digits on the grey lines should be in increasing order, from one end to another.
Previous ver (No solution)
(18-20 August 2012)
Rules for Skyscrapers
Additionally, the digits on the grey lines should be in increasing order, from one end to another.
[8/20 updated]
August 10, 2012
August 8, 2012
July 31, 2012
Puzzle 033 - Even Sandwich Sudoku (LMI Practice)
LMI Sudoku test "Classics vs. Innovatives"
Rule:
Apply classic Sudoku rules.
Numbers on the top show the digits sandwiched by even numbers(i.e. digits whose vertically adjacent cells are both even) in the corresponding column in any order.
Numbers on the left show the digits sandwiched by even numbers in the corresponding row in any order.
All possible numbers are given. In partucular,no digits are sandwiched by even numbers in clueless rows/columns.
Rule:
Apply classic Sudoku rules.
Numbers on the top show the digits sandwiched by even numbers(i.e. digits whose vertically adjacent cells are both even) in the corresponding column in any order.
Numbers on the left show the digits sandwiched by even numbers in the corresponding row in any order.
All possible numbers are given. In partucular,no digits are sandwiched by even numbers in clueless rows/columns.
July 17, 2012
Puzzle 031 - Dotted Loop (LMI Practice)
LMI test "Logirace"
Rules:
Draw a single closed loop passing through some cells in the grid.
This loop is snake-like, that means the loop cannot touch itself, not even diagonally.
Every 3rd square of the loop has a dot on it.
Numbers outside the grid reveal how many dots of the loop are in the corresponding row or column.
The squares marked X are not part of the snake.
Rules:
Draw a single closed loop passing through some cells in the grid.
This loop is snake-like, that means the loop cannot touch itself, not even diagonally.
Every 3rd square of the loop has a dot on it.
Numbers outside the grid reveal how many dots of the loop are in the corresponding row or column.
The squares marked X are not part of the snake.
July 16, 2012
Puzzle 030 - Dutch loop (LMI Practice)
LMI test "Logirace"
Rules:
Draw a single closed loop passing through all cells in the grid.
The loop cannot touch or cross itself.
It makes turn at black circle and goes straight at every white circle.
There are no loop segments on cells marked X.
Rules:
Draw a single closed loop passing through all cells in the grid.
The loop cannot touch or cross itself.
It makes turn at black circle and goes straight at every white circle.
There are no loop segments on cells marked X.
July 10, 2012
June 28, 2012
Puzzle 028 - ssuuddookkuu
Rules:
Enter the digits from 1 to 3 into the diagram, so that every digit appears exactly twice in every row and every column.
Each equal/inequality signs indicate the relations between the digits in that cells.
Enter the digits from 1 to 3 into the diagram, so that every digit appears exactly twice in every row and every column.
June 26, 2012
June 23, 2012
Puzzle 026 - Coded Skyscrapers
The numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
Puzzle 025 - Coded Skyscrapers
The numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
June 20, 2012
Puzzle 024 - Battleships [Overlapping]
The content of overlapped parts is common for both grids.
Rules are satisfied for each grid independently.
Rules:
Place the given fleet into the grid.
Ships cannot touch each other even diagonally.
Digits outside show the number of cells occupied by the ships in the correspnding row or column.
Ships cannot cross over the edge of a grid into another grid.
June 16, 2012
June 14, 2012
Puzzle 022 - Curve Data
Rules:
Make some figures by drawing lines so that each figure goes through just one clue.
All the cells will be visited by lines.
Each clue shows how the lines of the figure upon it turns or connects without any rotation or reflection.
(The clues do NOT inply lengths of any part of the line)
Different figures do not share same cell.
June 12, 2012
Puzzle 021 - Battleships [Overlapping] (LMI Practice)
The content of overlapped parts is common for both grids.
Rules are satisfied for each grid independently.
Rules:
Place the given fleet into the grid.
Ships cannot touch each other even diagonally.
Digits outside show the number of cells occupied by the ships in the correspnding row or column.
June 10, 2012
June 6, 2012
May 29, 2012
Puzzle 018 - No Numbers Loop
No Numbers Loop was invented by Xevs.
Rules:
Draw a closed loop in the grid.
The loop can cross itself but otherwise never visits any point twice.
In any of two adjacent squares, the line segment can't form a number in any orientation. (listed below).
Numbers outside the grid shows how many clossings exist along the direction.
Some parts of the loop are already drawn for you, and the loop can't go through a segments with "X".
Draw a closed loop in the grid.
The loop can cross itself but otherwise never visits any point twice.
In any of two adjacent squares, the line segment can't form a number in any orientation. (listed below).
Numbers outside the grid shows how many clossings exist along the direction.
Some parts of the loop are already drawn for you, and the loop can't go through a segments with "X".
May 16, 2012
Puzzle 017 - Coded Skyscrapers
The numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
April 26, 2012
Puzzle 015 - Colored Skyscrapers
Rules:
Fill the grid with digits 1 to N, so that each digit appears exactly once in each row or column.
Some cells should be shaded.
Clues with black circle indicate how many shaded skyscrapers are visible from that direction(non-shaded skyscrapers are ignored).
Some cells should be shaded.
Clues with black circle indicate how many shaded skyscrapers are visible from that direction(non-shaded skyscrapers are ignored).
Non-shaded clues indicate how many non-shaded skyscrapers are visible from that direction(shaded skyscrapers are ignored).
April 20, 2012
April 18, 2012
April 17, 2012
Puzzle 012 - Coded Skyscrapers
The numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
April 14, 2012
April 13, 2012
Puzzle 010 - Coded Skyscrapers
The numbers are replaced with symbols.
The same
symbols are the same digits and different
symbols are different digits.
April 11, 2012
April 10, 2012
April 9, 2012
April 8, 2012
April 7, 2012
Puzzle 005 - Coded Skyscrapers
The numbers are replaced with letters.
The same letters are the same digits and different letters are different digits.
March 28, 2012
Puzzle 003 - Colored Skyscrapers
Rules:
Fill the grid with digits 1 to N, so that each digit appears exactly once in each row or column.
Some cells should be shaded.
Clues with black circle indicate how many shaded skyscrapers are visible from that direction(non-shaded skyscrapers are ignored).
Some cells should be shaded.
Clues with black circle indicate how many shaded skyscrapers are visible from that direction(non-shaded skyscrapers are ignored).
Non-shaded clues indicate how many non-shaded skyscrapers are visible from that direction(shaded skyscrapers are ignored).
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