[SalesForce] validation rule to prevent user changing ownership

I'm trying to create a validation rule to prevent 'portal' profile users to change ownership of lead record but they should be able to accept leads from 3 particular queues. 

OR(
    AND(ISCHANGED( OwnerId ), 
    $UserRole.Name = 'Portal', 
    PRIORVALUE(OwnerId) <>'00G1r000003Bhko'), 
    AND(ISCHANGED( OwnerId ), 
    $UserRole.Name = 'Portal', 
    PRIORVALUE(OwnerId) <>'00G1r000003Bhkm'), 
    AND(ISCHANGED( OwnerId ), 
    $UserRole.Name = 'Portal', 
    PRIORVALUE(OwnerId) <>'00G1q000001DzGV')
)

Best Answer

well, It worked when I shuffle around it.

OR( 
AND( 
AND( 
AND(ISCHANGED( OwnerId ), 
$UserRole.Name = 'Portal', 
PRIORVALUE(OwnerId) <>'00G1r000003Bhko'), 

AND(ISCHANGED( OwnerId ), 
$UserRole.Name = 'Portal', 
PRIORVALUE(OwnerId) <>'00G1r000003Bhkm')), 

AND(ISCHANGED( OwnerId ), 
$UserRole.Name = 'Portal', 
PRIORVALUE(OwnerId) <>'00G1q000001DzGV')))
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