|-----------------------------------------------------------------------------|
|-------------1-1-1-1-1-1-0----------1-1-1-1-1-1-0---------------1-0--0-------|
|-1-------------------------1-----0----------------1-1-1-1-3-0-3-----3--1-----|
|--1-1------------------------3-3---------------------------------------------|
|--------3-1------------------------------------------------------------------|
|------4----------------------------------------------------------------------|

|------------------------------------------------------------------|
|-1-1-1-1-1-1-0---------------1-0-0-0-----------------0------------|
|--------------1-1-1-1-3-0-3----------1-------1---0-0-1-1----------|
|---------------------------------------3--1----3-------3-0-0------|
|---------------------------------------------------------0-0------|
|------------------------------------------------------------------|