1|-----------------------------------------------------------------------------------------------------------------------|
2|-----------------------------------------------------------------------------------------------------------------------|
3|-----------------------------------------------------------------------------------------------------------------------|
4|-------------5---5--5-5--------------7--7-7--5--------------5---5--5-5-------------------------------------------------|
5|-7---7--7-7--------------5---5--5-5-------------7---7--7-7-------------5---5--5-5--------------------------------------|
6|-----------------------------------------------------------------------------------5---5--5-5----3---------------------|