Intro:
|--2-2-3-2--2-3-3-2---2-2-3-2--2-3-3-2---2-2-3-2--2-3-3-2-|
|--3-3-3-3--3-3-3-3---3-3-3-3--3-3-3-3---3-3-3-3--3-3-3-3-|
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|--0-3-2--2-3-3-2--0--3--2--------------------------------|
|--3-3-3--3-3-3-3--3--3--3--------------------------------|
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