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