1|-0-------------------------------- 2|---0-0---3-3---------------------- 3|-------4-----5--5-4-2--4-2-0------ 4|------------------------------0-2- 5|---------------------------------- 6|-0--------------------------------
1|-0-------------------------------- 2|---0-0---3-3---------------------- 3|-------4-----5--5-4-2--4-2-0------ 4|------------------------------0-2- 5|---------------------------------- 6|-0--------------------------------