|---2-0-------------------------------------------0---------2-0------------------|
|-------3-2-3-2-0--0-3-2-0---------------------------2-0-------3-2-3-2-0--0------|
|-2---------------2--------0-3-2-0-3-2-0---1---1---1-----2---------------2-------|
|-----------------------------------------2---2----------------------------------|
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|