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


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

and you just keep repeating those over and over again