Puzzle No. 505: Ascending Starters Sudoku

 

Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. 

Clues outside the grid indicate the sum of the first set of all ascending digits starting from the first cell from the corresponding side. Sets may consist of only one digit.

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Puzzle No. 504: Even Sandwich Sudoku

 

Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. 

Clues outside the grid indicate all numbers in that row or column surrounded by even numbers on both sides (”sandwiched”). Clues can be given in any order, and all such numbers are given. If a clue is a ‘–’, then no values in that row or column are sandwiched between two even numbers.

Online Solving Link to Penpa 

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Puzzle No. 503: Diagonal Skyscraper Sudoku

 

Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. 

Clues outside the grid are skyscraper clues: Each digit in the grid is a "skyscraper" whose height is the digit in that cell. Taller or equally tall skyscrapers obscure the view of smaller or equally small ones. Numbers outside the grid indicate the number of skyscrapers that can be seen (along the indicated diagonal) from that vantage point.

Online Solving Link to Penpa

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