UPDATE PartialUpdate AS image
SET image ASSIGN < [35:41,25:35] 
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul;
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul;
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul;
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul;
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul;
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul;
 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul, 6ul
 >