UPDATE PartialOverlay2 AS image
SET image ASSIGN < [90:100,90:100] 
 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
 >