|-------------------0----2-0-----2-0-------|
|---0--3-3------0-3----------3-0------3-3--|
|-2-----------2----------------------------|
|------------------------------------------|
|------------------------------------------|
|------------------------------------------|

|-------------------0----2-0-----2-0-------|
|---0--3-3------0-3----------3-0------3-3--|
|-2-----------2----------------------------|
|------------------------------------------|
|------------------------------------------|
|------------------------------------------|

|---2-5-7----7-5----------10-9-7----7-5------|
|-3--------------7-5----5---------------7-5--|
|--------------------------------------------|
|--------------------------------------------|
|--------------------------------------------|
|--------------------------------------------|

|-------------------0----2-0-----2-0-------|
|---0--3-3------0-3----------3-0------3-3--|
|-2-----------2----------------------------|
|------------------------------------------|
|------------------------------------------|
|------------------------------------------|