x-12--14-15-15-14--12-12--------12-14-12---------------------------------| ------------------------15-14-------------------------------------------| ------------------------------------------------------------------------| x2 ------------------------------------------------------------------------| ------------------------------------------------------------------------| ------------------------------------------------------------------------| -12-14-12--12-14-12-14-12-14-12------12-11-10---10-11-12-0--------------| ------------------------------------------------------------------------| ------------------------------------------------------------------------| ------------------------------------------------------------------------| ------------------------------------------------------------------------| ------------------------------------------------------------------------|
