|------3---------------0------------------------5-----5-3-|
|--3-----3---3-------3---3---3--------------------5-------|
|--0-------0-------2-------2------------------0-----0-----|
|--0-----------0----------------------------4-------------|
|--x---------------------------3-------3^h5---------------|
|--3------------------------------------------------------|

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