[tf]--- [tD]--- [tf]---- [sx]--- [sZ]--- [sx]---- t- u-o- s-f-h- x---- t- u-o- s-f-h- x---- [id]-f-d- [us]-f-h- [id]-f-d- [us]-f-h- [yg]-h-g- [tf]-g-f- [od]---- t- u-o- s-f-h- x---- t- u-o- s-f-h- x---- [id]-f-d- [yg]-[uf]-[id]- [us]-d-s- [tf]-[yd]-[us]- h-f-s- o-u-t- [id]-[of]-[id]- [us]--- [tf]--- [tD]--- [tf]---- [sx]--- [sZ]--- [sx]