How to build L_shape staircases
(*) See here how to cut off staircases in general
(1) At first, press twice on Visibility, then place 4 teleporters on the place where to be a mezzanine.
(2) Go back to story 1 and place the staircases A that are to be lower parts of the L_shape stairs.
(3) Press twice on Visibility, then the staircases become transparent. Erase the teleporters.
(4) Go back to story 1, and the lower staircases of the L_shape will appear.
(5) Place the staircases B to be the upper half of L_shape, then erase the lower stairs. The lower parts of the staircases B will disapper too.
(6) Repeat the process of (1) - (4) to make the lower parts of L_shape. You can now commit it.
(7) Place goza mats on the mezzanine and you can lift them 8 times or 9 with an interioi decorator.
