Friday, 23 May 2014

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each row, column and 3x3 box. The digits in the squares with the line form palindromes, i.e. they are read evenly from both sides.

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each row, column and 3x3 box. The same digits can't touch in the corners.

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each row, column and 3x3 box. All adjacent cells with two digits summing to 5 are marked by V, while those summing to 10 are marked by X. The cells edges which do not contain a V or an X cannot have digits summing to 5 or 10.

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each row, column and 3x3 box. There are given symbols of ‘greater than’ (>) or ‘less than’ (<) on the common line of the two adjacent cells.

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each row, column and 3x3 box. The number in a circle is the sum of the digits which are covered by its arrow.

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each row, column and 3x3 box. The same numbers are not chess-knight move connected.

(Czech Republic Puzzle Championship 2014 (Sudoku Round))

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns, and 3x3 boxes. Moreover, coloured squares contain the digits 1 to 9 too.