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SELECT A.cl_from AS Cat_A_ID, B.cl_from AS Cat_B_ID, C.cl_from AS Cat_C_ID FROM categorylinks A JOIN categorylinks B ON A.cl_to = (SELECT cat_title FROM category WHERE cat_id = B.cl_from) AND B.cl_type = 'subcat' JOIN categorylinks C ON B.cl_to = (SELECT cat_title FROM category WHERE cat_id = C.cl_from) AND C.cl_type = 'subcat' WHERE C.cl_to = (SELECT cat_title FROM category WHERE cat_id = A.cl_from) AND A.cl_type = 'subcat';
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