Moonstone Cannon

Moonstone Cannon (月長石砲) is one of the openers that can get 6-lines PC, and it is currently the only opener that can get 6-lines PC after the first bag of TSS and the second bag of always TSD. This opener was invented by Sasa.

1st bag
TSS. Setup rates are 12.38% for one side and 22.54% for both sides.

2nd bag
After Single, do TSD or TSS. look at the beginning of the third bag and judge by how fast the T-piece or L-piece is done.

You can always stack them like this except for the T-piece.

reference

 * [Opener Organizing Wiki]
 * [Tetris Blog PerfectClear]