FOUR

7th PC Patterns

Let's assume that you are attempting consecutive 4-height PCs. Each 4-height PC requires 10 pieces, and each bag has 7 pieces. Therefore, you can complete a full loop on your 7th PC because 70 pieces (10 pieces × 7 PCs) are divisible by 7, a whole bag. This makes the 7th PC unique—the 7th PC being on the end of the loop means that it can be thought of 3 leftover pieces + 7 pieces from the 10th bag.

This page lists some patterns that you could use for your 7th PC. However, it is by no means comprehensive, i.e., it will not cover every possible 3 piece combination. If interested, a good supplementary page to look at could be knewjade's Best Chance Field.

No.HoldCurrent Bag (Leftover)Next BagSubsequent Bag
1st
2nd
3rd
4th
5th
6th
7th

Summary

Non-Duplicate Pieces

With I


IJO 1    IJO 2    IJT 1    IJT 2    IJS 1    IJS 2    IJZ    IJL 1    IJL 2    IOS    IOT    ITS 1    ITS 2

No I


JLO 1    JLO 2    JLS    JLT    JOT    JOS    JOZ    JTZ    JST    OST    STZ

Duplicate Pieces

IIJ    IIO    IIT    IJJ    JJL    JJO 1    JJO 2    JJS    JJT    JJZ    JOO 1    JOO 2    JTT 1    JTT 2    OOT    OTT    TZZ

100% Patterns

Every pattern shown here has a 100% chance of PC.

1

OST


2

ITZ


3

IST



4

IJT
JLT
JST

See below for an alternate pattern that you can use for IJT



5

JLO
JLS
JJO
JJZ


6

JLO



7

IOT



8

JOT
JTZ



9

IOS



10

STZ
TZZ



11

LOZ
TTO
ILZ
IJO
JTT

12

JOZ
IJZ
IJS
JOO


13

IIT
JJT
OOT


14

JJS
IJL
JTT



15

IIO
JJO


16

IIL
JJL
LOO
IJO



17

IJT



18

IJL
ILL



Non-100% Patterns

1 (97.38%)

JSZ
ILZ has a corresponding 100% pattern.



2 (99.52%)

ISZ



3 (89.13%)

OSZ



See Also / References

Perfect Clears

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