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Breadth-first Search
Difficulty
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281
Flood
Hard
432
Dungeon Master
Very easy
815
Chess
Very hard
1060
Lines
Very easy
1061
Three states
Easy
1062
Lines (2)
Very easy
1063
Cell removal
1098
Queen move!
Very easy
1266
CD
Very easy
1472
Dungeon Master II
Easy
2401
Breadth First Search
Very easy
2799
Gnome in the Castle
Easy
2820
Knight Moves
Very easy
3124
Quick out of the Harbour
Very easy
4007
Numbers
Very easy
4850
Magic machine
Very easy
4852
The shortest distance
4853
The shortest path
Very easy
9749
Clockwork-ange
Easy