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Jigsaw PC Loop is a Perfect Clear Loop developed by xxxxxxxxxxx. It isn't often used in versus as it is extremely easy to counter from it's little to no cancelling ability, but it's build chance being 100% and always being able to go into S/Z DPC[1] makes it very useful for score attack and ultra/blitz while being easy to learn.

Build Order

First Bag

Build Pattern 1 bag order Z < T

Build Pattern 2 bag order TS < Z

Resulting build shape

Create one of the two shown builds. At least one of the two paths will be possible with any bag order. If both options are possible, then use the first build pattern, as it provides an additional T-Spin.

Second Bag

Build Pattern common build pattern

Alternate Build Pattern only for IO -> Z -> L

Resulting build shape

At least one of the two shown builds will be possible with any bag order. The first pattern is used in almost all instances, except for the case of IO -> Z -> L (8.3% or 1/12 chance), in which the 2nd pattern must be used. The resulting build shape is the same.

When using the primary build pattern, an early Perfect Clear is possible ~10% of the time when making the setup in the order shown above. The alternate build pattern does not have any potential early Perfect Clear solutions.

Third Bag

O -> J Pattern

O -> J For tetris

JL -> O Pattern

JL -> O For tetris

At least one of these two patterns can be built (O -> J or O -> L, JL -> O respectively). This guarantee a Perfect Clear solve, with the S piece unused. The solves marked "for tetris" are optional to learn, but are very easy and increase the chance to get a tetris to 43%.