(先)B10:G15{=COUNT(MATCH(ROW($1:$5)-LEN(SUBSTITUTE(LEFT(B$1,ROW($1:$5)),MID(B$1,ROW($1:$5),1),))+MID(B$1,ROW($1:$5),1)*10,ROW($1:$5)-LEN(SUBSTITUTE(LEFT($A2,ROW($1:$5)),MID($A2,ROW($1:$5),1),))+MID($A2,ROW($1:$5),1)*10,))
(中)B18:G23 {=SUM(SMALL(IFERROR(MATCH(ROW($1:$5)-LEN(SUBSTITUTE(LEFT(B$1,ROW($1:$5)),MID(B$1,ROW($1:$5),1),))+MID(B$1,ROW($1:$5),1)*10,ROW($1:$5)-LEN(SUBSTITUTE(LEFT($A2,ROW($1:$5)),MID($A2,ROW($1:$5),1),))+MID($A2,ROW($1:$5),1)*10,),9),ROW($1:$5))*10^{4;3;2;1;0})
(後)B2:G7 {=IF(OR(B10={3,4}),LEFT(SUM((0&MID($A2,MID(B18,ROW($1:$5),1),1))*10^{4;3;2;1;0}),B10),"")