Press the arrow keys (left or right) until the top lock clicks then use the opposite arrow until the second lock clicks then the third lock can be in either direction you have to figure it out by yourself (it's best to tap the arrows rather than hold)
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i found it, its 6, 22, 4
20,8,0
4526
12,1 and 19
6-22-4
13457
not very much.
18 22 try to figure out the next one
6-22-4
6,22,12
1st 12,1,19
no there is not cheats for sift heads world 5
sift heads world 6