Disk Partition & Mounting in Solaris 11 During Interactive Installation

Hi,
I am Installing Solaris 11 on Sun Fire T2000 which is having 4 disks. I am able to see all the 4 disks but unable to Customizse the Disks&Partition accorindg to my requirement.
Can any one guide me on, how to customize the disk partition during installation?
Thanks

Hi
I need this way while installing Oracle 11. In solaris 10 it is easy to disk partitioning and mounting Point. But in Solaris 11 Sparc, It is not allowing me to do.
Partition     Disk      Size in GB
/     /dev/dsk/c0t0d0s0     16
swap     /dev/dsk/c0t0d0s1     16
/opt     /dev/dsk/c0t0d0s3     16
/export/home     /dev/dsk/c0t0d0s4     8
/u01/app     /dev/dsk/c0t0d0s5     Remaining disk1
/u02/app     /dev/dsk/c0t1d0s0     All of disk
/u03/app     /dev/dsk/c0t2d0s0     All of disk
/u04/app     /dev/dsk/c0t3d0s0     All of disk

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