UPDATE PartialUpdate AS image
SET image ASSIGN < [15:25,10:20] 
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul;
 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul, 2ul
 >