First

First is an opener with a series of TSS -> TSD -> BT cannon/PC setup by shenmirenwu3112. This opener requires S or Z before T and O. The way(direction) to do this opener depends on L and J. The example below is L before J. You can use the 180 spin to tuck the J in.

T-spin single

Residue

Variant 1 SDT

This variant requires early O and late S

98.21% PC chance

This variation has 18 minimal solution. The common solutions:

Full link of minimal solution -> Link[1]

Variant 2 SDT

97.74% PC chance

will be edited

Variant 3 SDT

96.03 % PC chance

will be edited