How to set MOSAIC (Spanning) for a Multi-Display setup?

I have a 1x3 monitor setup with nvidia Card and I want to set up Mosaic using utility. I used the configureMosaic.exe but the problem is that , it is spanning the 3 screens but not in correct order like how physically the 3 monitor are kept on the table I can see the spanning is not in order. Can you please tell how to fix this ?