12^-12^-12^--------------------------------|
15^-15^-15^-13-12------12-12-13-15---------|
-----------------------------------12------|
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--------------------------------15-----15--|
12-12-14-12-11-12-11------11-12---11-12----|
---------------------12--------------------|
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-----12-----12-----12-----14-----14------14|
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11-12--11-12--11-12--11-12--11-12--11-12---|
-------------------------------------------|
-------------------------------------------|
-------------------------------------------|
151412151412151412171514171514-191919191919|
-------------------------------------------|
-------------------------------------------|
-------------------------------------------|
-------------------------------------------|
171717171515151514141414----------17-------|
------------------------17--171920-----17--|
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-------------------------------------------|
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---------------------17*-------------------|
---17-------20^---------------------------|
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