ctc-catalogue: not_gas_puzzles: 37 rows where Constraints contains "X-Sums" and Solver contains "Mark" sorted by Id descending

Sudoku puzzle-solving videos from CTC (excluding GAS puzzles).

Data source: Cracking the Cryptic Catalogue · About: View on GitHub

37 rows where Constraints contains "X-Sums" and Solver contains "Mark" sorted by Id descending

descending

Id ▲	Puzzle Title	Date	Solver	Setter	Constraints	Video	Video Length	Video Length (Minutes)
6437	Nightcap	2024-10-04	Mark	Cristopher Moore	6x6, Little Killer, Multitask Clues, Sandwich, X-Sums	This is a Minor Miracle	00:10:31	11 min
6247	Negator XS	2024-08-06	Mark	thoughtbyte	Diagonal, Extra Regions, Negators, O/E, X-Sums	Nothing Negative to Say about this Puzzle!	00:58:50	59 min
6149	21	2024-07-06	Mark	James Kopp	German Whispers, X-Sums	Another Birthday for the Kopps?	00:40:56	41 min
6080	Star-Crossed Sandwiches	2024-06-15	Mark	Darth Paradox	10x10, Ambiguous Clues, Anti-Knight, Digit Restriction, Irregular, Sandwich, X-Sums	Star Wars Sandwiches	01:30:43	91 min
5902	Little Killer-X Sums Hybrid Sudoku	2024-04-21	Mark	Akash Doulani	Little Killer, Multitask Clues, X-Sums	Not Just a Little Killer!	00:25:02	26 min
5573	Harvest Lumber	2024-01-12	Mark	rockratzero	Killer, Multitask Clues, Region Sum Lines, Renban, Thermo, X-Sums	Putting your Back into Solving Sudoku	00:33:59	34 min
5262	Heisenberg	2023-10-21	Mark	randall	Arrow, Inequality, Multitask Clues, X-Sums	The Paradox of Being Certain about Uncertainty	00:30:48	31 min
5174	Impossible?	2023-09-30	Mark	damasosos92	0-8 Digits, 6x6, Equal Sums, Full Rank, Incomplete Clues, Killer, Multitask Clues, X-Sums	The Impossible Sudoku Project	00:33:24	34 min
4924	Seeing Double	2023-07-29	Mark	James Kopp	Little Killer, Multitask Clues, X-Sums	You are not Seeing Double Today	00:46:17	47 min
4631	Everything Is Rihgt	2023-05-18	Mark, Simon	DiMono	Doppelganger, Fortress, Killer, Liar, Little Killer, Palindrome, Quadruple, Sandwich, Skyscraper, Thermo, X-Sums, XV	Simon & Mark Solve Sudoku Together!	01:14:30	75 min
4368	159 Bullseye	2023-03-13	Mark	Luda3	159, Renban, X-Sums	Hitting the Target Dead Centre	00:28:50	29 min
4348	Shifted X-Sums 2	2023-03-08	Mark	Lizzy01	Indexing, X-Sums	First Find Your Sums ...	00:37:59	38 min
4304	Sudokoban	2023-02-24	Mark	DiMono	Indexing, Killer, Little Killer, Split Grid, X-Sums	The Puzzle That Will Haunt Mark	01:56:45	117 min
4196	40 or 40?	2023-01-30	Mark	dumediat	Ambiguous Clues, Kropki, Sandwich, X-Sums	Doomed to Turn 40?	00:23:03	24 min
4064	Shortsighted X-Sums Sudoku	2022-12-27	Mark	Sed Holaysan	Ambiguous Clues, X-Sums	The Best Gifts Can't be Bought	00:33:03	34 min
4048	Turning 40 This Year	2022-12-23	Mark	CTC	German Whispers, X-Sums	Mark solves Simon	00:21:54	22 min
3954	X-Sums Killer Sudoku #2	2022-11-29	Mark	Akash Jain	Killer, Omitted Clues, X-Sums	But - Why aren't there ANY numbers in this sudoku at all?	01:31:42	92 min
3850	A Mathematical Phenomenon	2022-11-04	Mark	Xenonetix	Kropki, X-Sums	An Intrigiung Mathematical Phenomenon	01:11:52	72 min
3801	Kineticism	2022-10-22	Mark	jovi_al	X-Sums	A Very Moving Puzzle	00:18:40	19 min
3730	srelliK esreveR	2022-10-05	Mark	kuraban	Killer, X-Sums	The Reverse of Killer Sudoku?	00:21:05	22 min
3602	Reverse Sums	2022-09-04	Mark	kuraban	X-Sums	Sudoku - From the Other Side	00:23:31	24 min
3470	Same but Different	2022-08-02	Mark	Marvin Kannhauser	Ambiguous Clues, Little Killer, Sandwich, X-Sums	Its the Same ... But Different	00:44:12	45 min
2946	X-Sum Skyscrapers	2022-04-04	Mark	GarlicBredFries	Between Lines, Skyscraper, X-Sums	A Mind-Bending Sudoku Combination	00:40:57	41 min
2737	Kropki X-Sums Sudoku	2022-02-07	Mark	Aron Lidé	Kropki, X-Sums	The Puzzle that Keeps on Being Brilliant	01:05:05	66 min
2655	X(mas)-Sums 1 (Odd-Even Coded) / Even X-Sums	2022-01-11	Mark	Christoph Seeliger	Cipher, Parity, X-Sums	Not All Sudoku Videos are Odd	00:33:10	34 min
2608	Xmas Sums With a Difference	2021-12-26	Mark	Phil Preen	Difference, Sums, X-Sums	Brilliant Secret Work by Santa	00:30:30	31 min
2177	X-Sums Sudoku	2021-08-16	Mark	Christoph Seeliger	X-Sums	A Favourite Sudoku Type	00:29:52	30 min
1797	Pi-Day X-Sums Sudoku	2021-03-14	Mark	Jonas Gleim	X-Sums	Wait ... Another Incredible Sudoku Discovery?	00:23:52	24 min
1623	X-Sum Tree	2020-12-21	Mark	Simon Trucchi	Set Values, Sums, X-Sums	A Beautifully Decorated Tree	00:33:33	34 min
1510	X-Sum Little Killer	2020-10-29	Mark	Joseph Nehme	Killer, Little Killer, Thermo, X-Sums	A new twist from a new place	00:25:56	26 min
1493	Nonconsecutive X-Sums	2020-10-21	Mark	Alexander Rappa	Non-Consecutive, X-Sums	A Miracle Puzzle from a Genius	00:23:38	24 min
1424	Odd Pentominoes	2020-09-18	Mark	Dying Flutchman	O/E, Polyominoes, X-Sums	What A Great Idea for a Sudoku	00:30:22	31 min
1413	Multiple Role Sudoku	2020-09-13	Mark	Daniel Galao Birkmann	Anti-Knight, Sandwich, Skyscraper, Thermo, X-Sums	Multiple Role Sudoku	00:39:15	40 min
1351	Liar X-Sums	2020-08-15	Mark	Jonas Gleim	Liar, Set Values, X-Sums	Liar X-Sums	00:25:15	26 min
1347	Hidden X-Sums & Sandwiches	2020-08-13	Mark	Kaleb Fowler	Ambiguous Clues, Sandwich, X-Sums	X-Sums or Sandwich?	00:22:53	23 min
994	Sudoku #994	2020-02-27	Mark	Tom Collyer	X-Sums	The BEST X-Sums Sudoku I've Ever Seen	00:21:14	22 min
806	Sudoku #806	2019-09-14	Mark	Čedomir Milanović	X-Sums	Can you figure out how to solve this puzzle?	00:23:50	24 min