Skip to main content
. 2013 Sep 10;4:584. doi: 10.3389/fpsyg.2013.00584
1. 0, −4, 4 ________________________________________ 2. −2, −5, 6, 1 ______________________________________
3. −3, 24, 17, −6, 2, 1 _________________________________________________________________________________
4. 19, 17, −17, −19, 0 _________________________________________________________________________________