-------------------------------------------------------| 0----12-12-12-14---------------12-12-12-14-17-14-14-12-| -------------------(b9)(b9)(b9)11----------------------------| -------------------------------------------------------| -------------------------------------------------------| -------------------------------------------------------| -------------------------------------------------------| 12-12-12-14--------------------------------------------| ------------(b9)(b9)(b9)11---6-6-11-(b9)-----------------------| -------------------------------------------------------| -------------------------------------------------------| -------------------------------------------------------|