Grub2 menu question

[Tony Molloy]

Hi,

I've got a remote test box which is set to dual boot Fedora 17 and 
CentOS 6 using grub2 as the bootloader.

It's currently set to boot into Fedora "default=0" in grub.cfg

I want to change it to temporarly boot into CentOS. I've got the 
following menu entries in grub.cfg

0.
menuentry 'Fedora (3.4.3-1.fc17.i686.PAE)'

1.
submenu 'Advanced options for Fedora Linux'

2.
menuentry 'CentOS release 6.2 (Final)'

3.
submenu 'Advanced options for CentOS release 6.2 (Final)'

4.
menuentry 'CentOS (2.6.32-220.13.1.el6.i686)

5.
menuentry 'CentOS (2.6.32-220.7.1.el6.i686)

What should I set default to to boot into CentOS. Should it be 1 if 
the submenu entries don't count or 2 if they do count.

Thanks,

Tony