---------------------------------------------------------------| ---------------------------------------------------------------| ---------------------------------------------------------------| ---------------6--7--------------------7--6--------------------| 4--------------7--9--0---------2-------9--7--------------------| 4-444-444-44---------0-000-000-2-222---------------------------| repeat twice ------------------------------------------------------| ------------------------------------------------------| -6---6---4---2---6---6---7---4------------------------| -7---7---6---4---7---7---9---6------------------------| ------------------------------------------------------| --000-000-000-000-000-000-000-------------------------| X 2 dont include|------------------------repeat 4 X-------------------------| -------|----------------------------------------------------------------| -------|------6-4--------------------------------------------6-4--------| -------|------7-6-6-7--------------------6-7-----------------7-6-6-7----| 0-----2|----------7-9----4---4---4---4---7-9-0---------2---------7-9----| 0-----2|-------------444-444-444-444-444-----0-000-000-2-222------------| ------------repeat twice--------------------------------------------------| --------------------------------------------------------------------------| ----------------------------------7--------------------------4------------| -4-----7----6----6----7-----6-7h9---7--6