......┌──.9.──┐



.....┌─4─┐┌─5─┐

....／................╲

(8)........▲▲▲.......(7)

....╲.......3........／

.....1,,,,,,,,,,,,,,,2



.....└───6───┘





●(萬)字由來,



9,8,7,6,,,,由左往右,下降



6,7,8,9,,,,由右向左,上升