Board size: 12x12
=== Backtracking ===
Execution time:      1966ms
Solutions found:     14200
Candidates searched: 10103869
=== Forward Checking ===
Execution time:      950ms
Solutions found:     14200
Candidates searched: 641975
=== end ===
Board size: 13x13
=== Backtracking ===
Execution time:      11783ms
Solutions found:     73712
Candidates searched: 59815315
=== Forward Checking ===
Execution time:      5249ms
Solutions found:     73712
Candidates searched: 3456856
=== end ===
Board size: 14x14
=== Backtracking ===
Execution time:      75704ms
Solutions found:     365596
Candidates searched: 377901399
=== Forward Checking ===
Execution time:      30324ms
Solutions found:     365596
Candidates searched: 19787663
=== end ===