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