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[--------3-2-------\7-6-5------[
[---5-5-------3-5----------3---[
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[-------------6-7-6-7-8-7-6-----7-6----------[
[-5-7-8-7-8-------------------------8-7--4\5-[
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[--5-4-3-2---2-3-4-5---5-4-3-2----[-2\7--7-6-5-4---4-5-6-7---7-6-5-4-[
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