17

 

dust dust dust dust

dust half half dust

half half      half half

dust half half dust

dust dust dust dust

calf calf calf calf

calf must must calf

must must      must must

calf must must calf

calf calf calf calf

half half half half

half dust dust half

dust dust      dust dust

half dust dust half

half half half half

must must must must

must calf calf must

calf calf      calf calf

must calf calf must

must must must must