xe-|-------------------------------------------------------------------------| b-|-------------------------------------------------------------------------| g-|-------------------------------------------------------------------------| d-|---5---5---5---5---3---2---2---0---2-------------------------------------| a-|-3---3---3---3---3---3---3---3---3-----3---3---3---3---3---3---3---3-----| d-|-------------------------------------3---3---3---3---3---3---3---3-------| x2
