Sami,
Some days they work and you can stretch one side, other days not.
Sometimes placing them so they are both the large size and then making one smaller works better. Sometimes not.
Good luck!
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"