|-----------------------------------------------
|-----------------------------------------------
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|--------------------------0--1-----1--1--0-----
|--------0--1-----1--1--3--------1-----------3--
|--1--3--------1--------------------------------

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---3-------------------------------------2------
1-----1--1--0--------3--3-----------3--------3--
---------------3--1--------1--3--1--------------

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--1--0--------3-----3-----3-----3-----3-----3---
--------3--1-----1-----1-----1-----1-----1-----1

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-3-----3-----3-----3----------------------------|
----1-----1-----1-----1-------------------------|