⠀⠀⠀⠀
⠀⠀⠀⠀⠀
⠀⠀⠀⠀使學 ↤
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀↦D.MS
⠀⠀