Research Article

A Hybrid alldifferent-Tabu Search Algorithm for Solving Sudoku Puzzles

Table 3

Solving Sudokus considering 10,000 iterations as maximum.

Difficulty group Difficulty subgroupTries Tries Tries Tries
alldiff-TS AC3-TS AC3-CS GA

Easy 1 30 30 30 30 30 30 30 30 30
2 30 30 30 30 30 30 50 30 30
E 30 30 30 30 30 30 30 30 30
Easy 30 30 30 30 30 30 30 30 30 30 30 30

Medium 3 30 30 30 30 30 30 48 50 50
4 30 30 30 30 30 30 50 50 50
5 30 30 30 30 30 30 50 50 50
C 30 30 30 30 30 30
D 30 30 30 41 30 30
Medium 30 30 30 30 30 30 50 50 50 22

Difficult SD 30 30 30 30 30 50
Hard 30 30 30 30 30 46 50 50 2

Most difficultAI Escargot3030