|----------------------------1-------------0----------------0-1-----|
|-------1------------------0--------0-1--3------------1---3---------|
|-----0----------------0-2--------2-----------------0-----------0-0-|
|-2-3-------0-2-3------------------------------2-3------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|
|-0------0------0------0--------------------------------------------|
|---3------3------3------3------------------------------------------|
|------0------0------0----------------------------------------------|
|--------------------------------------------2----------------------|
|-------------------------------------------------------------------|
|---------------------------0--3-1----1--0-3-------0--3-1----1--0-3-|
|
|-------------------1-------1-------1----------------------------3--|
|-------------------------------------4-4-4-------4-------4--4-2-3--|
|---------------------3-3-3---3-3-3---------1-1-1---1-1-1--------0--|
|--------------2-------------------------------------------------0--|
|----------------------------------------------------------------X--|
|-1----1-1-0-3---1-3---------------------------------------------0--|
| 