Hi Maurice,
From your list I the got the followings:
60,83,127,155,170,179,198,213,368,370,429,452,453,455,461,511 and 523
From your swaps I need:
12,57,66,88,111,162,176,222,243,302,355,401,440,488,543,546 and 584.
let me know if you want to swap these.
Eli