Puzzle No 147: Regional Loop

Puzzle 3 of the weekly series of Regional Loop puzzles (this type is invented by me). 

You can also find the entire series online at the Puzsq website here.

Rules:

Draw a non-crossing, non-intersecting closed loop passing through centers of the cells. Loop passes through straight through circles and all circles must be visited. Every region the loop visits, not necessarily all, the region must contain 'X' turns. 'X' to be determined by the solver.

Penpa+: Online Solving

Puzzle:

Puzzle No 146: Regional Loop

Puzzle 2 of the weekly series of Regional Loop puzzles (this type is invented by me). 

You can also find the entire series online at the Puzsq website here.

Rules:

Draw a non-crossing, non-intersecting closed loop passing through centers of the cells. Loop passes through straight through circles and all circles must be visited. Every region the loop visits, not necessarily all, the region must contain 'X' turns. 'X' to be determined by the solver.

Penpa+: Online Solving

Puzzle:

Puzzle No 145: Regional Loop

I decided to post all my puzzles which I shared on the Discord Server to the blog for easy records.

I did a weekly series of Regional Loop puzzles (this type is invented by me). So the next few posts will be this genre.

You can also find the entire series online here.

Rules:

Draw a non-crossing, non-intersecting closed loop passing through centers of the cells. Loop passes through straight through circles and all circles must be visited. Every region the loop visits, not necessarily all, the region must contain 'X' turns. 'X' to be determined by the solver.

Penpa+: Online Solving

Puzzle:

Puzzle No 144: Odd Even Sudoku

Rules:

Place numbers in the grid such that each row, column, and 3*3 box contain the numbers 1-9. 

Shaded circles contain Odd digits (1, 3, 5, 7, 9). Shaded squares contain Even digits (2, 4, 6, 8).

Difficulty: Medium

Online Solving

Puzzle:

Puzzle No 143: Diagonally Miracle Sudoku

Rules:

After several tries, I was finally able to create this variant, inspired by miracle sudoku.

Rules:

1. Normal classic rules apply

2. Same digits cannot touch each other diagonally (Diagonally Untouch / Antiking)

3. Consecutive digits don't touch diagonally (Diagonally nonconsecutive)

4. Same digits cannot be at diagonally knight positions (Diagonally Antiknight)

Note Diagonally knight - Also known as monkey step - 3 cells in one direction and one to the side. E.g. The 2 cant be in shaded positions.

Difficulty: Hard

Puzzle: 

Solve Online: Answer check is also enabled if you use blue or green color digits

Puzzle No 142: Classic Sudoku

Challenging classic sudoku.

Rules:

Place numbers in the grid such that each row, column, and 3*3 box contain the numbers 1-9. 

Difficulty: Hard

Puzzle:

Online Link: ClassicSudoku 

(If you're solving on the phone, click on the "Panel" option to turn it on. It will then display numbers to select.)

Any queries please leave a comment or reach out to me.

Have Fun !!!

Puzzle No 141: Untouchable Mystery Sandwich Sudoku

Here is tricky challenging sudoku.

Rules - Classic Sudoku Rules.

Inspired from recent Richard Stolk Post (https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=0003QI).

Thanks to Prasanna and Ashish for test solving it.

LMD link - https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=0003ZR

Online Solving - https://git.io/JJgUJ

Rules:

1) Classic rules apply.

2) Two same digits do not touch each other diagonally.

3) Additionally, the outside number is the sum of the digits between X and Y. X and Y to be found by the solver. X and Y remain the same throughout the grid.

Difficulty: Hard

Puzzle:

Puzzle No 140: Classic Sudoku

Classic sudoku after a long time.

Bonus Feature - You can solve it online if you prefer.

Rules:

Place numbers in the grid such that each row, column, and 3*3 box contain the numbers 1-9. 

Difficulty: Medium

Puzzle:

Online Link: ClassicSudoku (Click on the "Number" option at the top to insert numbers. If you're solving on the phone, click on the "Panel" option to turn it on. It will then display numbers to select.)

Any queries please leave a comment or reach out to me.

Have Fun !!!