# Problems

51 – 68 of 68
 Problem Title Likes Solvers Difficulty

#### Problem 46579. Shape Shifter - Part 1

Created by: Highphi

Tags game, matrix, puzzle

2

6

#### Problem 44766. Lights Out 12 - 5x5, three stages, <7 moves

Created by: goc3

Tags game, logic, flip

0

9

#### Problem 44776. Lights Out 15 - 5x5, broken buttons I

Created by: goc3

Tags game, logic, flip

0

9

#### Problem 2085. Sudoku Solver - Standard 9x9

Created by: Richard Zapor

8

36

#### Problem 45239. Checkmate-02

Created by: Asif Newaz

Tags chess, puzzle, board

0

6

#### Problem 44767. Lights Out 13 - 5x5, three stages, x moves

Created by: goc3

Tags game, logic, flip

1

9

#### Problem 44769. Lights Out 14 - 5x5, four stages, x moves

Created by: goc3

Tags game, logic, flip

1

9

Created by: HH

6

27

Created by: HH

13

49

#### Problem 44765. Lights Out 11 - 5x5, with wrapping, x moves

Created by: goc3

Tags game, logic, flip

1

10

#### Problem 44239. Mastermind IV: Optimal Solver - max of 5 guesses

Created by: Richard Zapor

2

12

#### Problem 47468. Slitherlink III: Evolve

Created by: Richard Zapor

0

1

#### Problem 47473. Slitherlink IV: Recursive (medium size)

Created by: Richard Zapor

0

1

#### Problem 47478. Slitherlink V: Assert/Evolve/Check (large)

Created by: Richard Zapor

2

2

#### Problem 42765. Maximize Non-Co-Planar Points in an N-Cube

Created by: Richard Zapor

0

6

#### Problem 1138. Rubik's Cube: 30 Moves or Less: Minimum Avg Time

Created by: Richard Zapor

1

1

#### Problem 44756. Lights Out 5 - 5x5, 10 moves

Created by: goc3

Tags search, game, logic

3

14

#### Problem 44757. Lights Out 6 - 5x5, 13 moves

Created by: goc3

Tags game, logic, flip

1

13

51 – 68 of 68