Nikoli’s Picture Sudoku and Shikaku Workshop: “Let’s Puzzle with Godfather of Sudoku” in San Francisco

As part of Arts and Science Day at Clarendon Elementary School in San Francisco, more than 40 students from 1st grade to... (2012/05/16 05:42)


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 LITS

Sample   Progressing   Solution 
●Sample ●Progressing ●Solution

 Rules


1. Color four consecutive squares (tetrominoes) in each of the areas surrounded
   by bold lines.

2. Similarly shaped rotated or reversed tetrominoes cannot touch, except at corners.

3. The colored squares must form a connected network.

4. Colored squares cannot form 2x2 or larger squares.


 Features

In LITS you fit the four (seven?) kinds of tetrominoes (shapes made by connecting four squares) onto the board.
LITS is a Nikoli original puzzle. It first appeared in Puzzle Cyclopedia. The original name was Nuruomino. The name LITS are the four letters suggested by the shapes of tetrominoes.
First LITS Pencil Puzzle Book out in November 2007.

 Alphabetically list

● Akari ● Five Cells ● Fillomino ● Hashiwokakero ● Hebiichigo ● Heyawake
● Hitori ● Kakuro ● Kurodoko ● LITS ● Masyu ● Nansuke
● Norinori ● Numberlink ● Nurikabe ● Ripple Effect ● Sashigane ● Shakashaka
● Shikaku ● Slitherlink ● Sudoku ● Suraromu ● Tentai Show ● Yajilin