◇??????? △??? ???
◇??? ▽3? 〈??〉 △???????? ??? △??〃 ??? △???????? ??? 〈??〉 △?????? ??? △????〃 ??? ▽4? 〈??〉 △????? ??? △??????? ??? △?????? ??? △??????〃 ??? △??????? ??〃 ??? △〃 ??〃 ??? △??????? ?????? ??? △??????? ??????? ??? △??????? ??????? ??? △??????? ???? ??? △??????? ?????? ????〃 ???
◇???? △???? ??? △??????? ??? ▽??? △??? ??????? ?? △〃 ???? ??? △〃 ??·???? ??? △〃 ???? ??? △〃 ????? ??? △??????? ??? △????? ??? △?????? ?? △????? ??? ??? △???? ??? △????? ???? ??? △???????? 〃 ??? ▽?? △????&?? ??? △?? ??? △????? ??? △??? ??? △???? ??? △?? ??? △?? ??? △?? ??? △????2 ??? △???? ??? △?????? ??? △??????? ??? △????? ??? △???? ??? △????? ??? △DB?? ??? △??? ??? ▽????? △?? ??? △??·?? ???
◇?????? △??????? ??? △??????? ???
◇???? △??? ???? ??? △???? 〃 ???
◇?????? ▽???? △?????? ??? △????????? ??? ???? ???