|--------------|-------------|-------------|---------------|
|--------------|-------------|-------------|---------------|
|--------------|-------------|-------------|---------------|
|--6-----------|-------------|-6-----------|---------------|
|----8-8-6-6---|-6-8-8-6-6-8-|---8-8-6-6---|-6-8-8-6-6-----|
|------------6-|-------------|-----------6-|-----------6-6-| X2