Iwossoleo is a Double Triple Cannon opening setup, followed by a T-Spin Double and a potential Perfect Clear (91.55%). This setup is discovered and named by a Taiwanese player Octupus Tea. The setup is named as it is Wossoleoi with shifted I piece.

First bag

The Z piece should be held.

Second bag

The second bag can always be stacked like this.

The Z and S placement order is dependent on which one comes first in the second bag. The lower Z should be placed first if Z comes before S in the second bag, and vice versa.

In case Z comes after both J and S in the second bag, one should CCW rotate the Z piece 5 times with soft drop, and move right to put it in place:

Third and fourth bag

These two bags are always stackable.

3rd bag

4th bag

Fifth bag and onwards

14-line Perfect Clear

• 91.55% PC chance, 18 minimal solutions

Back-to-back continuations

TSD into C-Spin

Tetris into 6-3 stacking

TSD into 6-3 stacking

External links

• Wossoleoi: The original opener this setup bases on.