Periscope

Periscope is an opener with a series of TSS -> TSD setup by shenmirenwu3112. This opener requires L or J before S and Z. The way(direction) to do this opener depends on L and J.  The example below is L before J. This opener is relatively clean and easy to continue as you can choose to 6-3 stack after the second bag.

Variant 1
You can do this variant if L comes before O: Then the TSD:

You can go for PC (66.83%) as shown below:

Or you can also continue with a 6-3 stacking:

Variant 2
The placement of the T piece is slightly different from the Variant 1.

You can do a lot of variations after the second bag of Variant 2. Here are some routes that you can go for:

PC route
You will need O to come before L. Here are some ways to build for PC.

No save route (80.52% PC chance)
You will need Z before I and J for this setup.

Then the PC solves: