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Carl Löndahl's user avatar
Carl Löndahl's user avatar
Carl Löndahl's user avatar
Carl Löndahl
  • Member for 9 years
  • Last seen more than 1 year ago
5 votes
Accepted

A prolific nine-letter word

1 vote
Accepted

The Invincible sequence

10 votes
Accepted

Pattern Recognition Puzzle

1 vote
Accepted

Find the relation between these numbers

5 votes

IQ test question-black and white squares

4 votes
Accepted

What is the next?

2 votes

You see me every day

2 votes
Accepted

Hack of the International Stamped Time Server

13 votes
Accepted

Continue the Pattern #6 Fractions of Circles

15 votes

Expected Number of Tosses Until H,T,T,H

5 votes
Accepted

Two puzzles about encompassing convex sets

4 votes

A Suspicious Mail 2

3 votes

Puzzling Number Boxes

7 votes

Changing baby's shirt

3 votes
Accepted

2-Palindromic DNA

6 votes

Another Rebus! Guess the Common Theme and Solve!

3 votes

What is a Complete Word™?

3 votes
Accepted

Switch the Odd One Out #3 (Intermediate)

2 votes

Switch the Odd One Out #2

7 votes
Accepted

Switch the Odd One Out

2 votes

Generate a valid string

3 votes

Fill number in missing?

3 votes

IQ puzzle with a central star and lines sticking out of it

3 votes

Matrix type IQ puzzle

1 vote

Raven's matrices

6 votes
Accepted

Grandma's cipher

4 votes

Death of the Great American Chemist

9 votes

What loves to talk but has little to say

2 votes
Accepted

Bitwise Logic Murder

6 votes

Unique representation ID for 5-card poker hand using combination without sorting