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SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_deep WHERE ((INSTR(wr_subject, '궪怨꾨㈃異쒖옣留덉궗吏늹')>0) and (INSTR(LOWER(wr_subject), LOWER('먯벵닊B9999묆먰뀛젅SEX486'))>0) and (INSTR(LOWER(wr_subject), LOWER('뇯b뒜솕뼇쓭異쒖옣留덉궗吏룞씤泥쒕룞異쒖옣留덉궗吏뷻ebrew'))>0) and (INSTR(wr_subject, '긽뙣룞異쒖옣留덉궗吏솕룊룞異쒖옣留덉궗吏')>0) and (INSTR(LOWER(wr_subject), LOWER('룞깂硫댁텧옣留덉궗吏꽄궓씪硫댁텧옣留덉궗吏罐moreover'))>0) )

Illegal mix of collations (utf8_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate' : 1267

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