n=10;
numbers=[|90,2,9,18|
73,1,98,196|
61,1,75,300|
21,1,17,1003|
80,1,42,3738|
72,18,47,2538|
20,4,18,252|
43,1,63,504|
60,4,66,264|
44,1,23,897|];