不重复的二位數组合 (10937)

B2:G9{=IFERROR(RIGHT(0&SMALL(IF((MMULT(1-ISERR(FIND(MID(TEXT(ROW($1:$99),0&0),{1,2},1),$A2)),{1;1})=2)*(MOD(ROW($1:$99),11)<>0),ROW($1:$99)),COLUMN(A1)),2),"")