1.
2. Make maxprimes=4, there will be a cross-border error.
3. Make the N=1 not pass through the while loop body.
(d)
Dot overwrite: {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}
Side overlays: {(2,3), (2,12), (3,4), (4,5), (5,6), (5,7), (6,4), (7,8), (4,8), (8,9), (8,10), (9,10), (10,2), (11,12), (12,13), (13,14), (14,12), (12,15)}
Main path overrides: {(1,2,3,4,5,6),
(1,2,3,4,5,7,8,9,10),
(1,2,3,4,5,7,8,10),
(1,2,3,4,8,9,10),
(1,2,3,4,8,10),
(1,2,11,12,13,14),
(1,2,11,15),
(3,4,5,7,8,9,10,2,11,12,13,14),
(3,4,5,7,8,10,2,11,12,13,14),
(3,4,5,7,8,9,10,2,11,12,15),
(3,4,5,7,8,10,2,11,12,15),
(3,4,8,9,10,2,11,12,13,14),
(3,4,8,10,2,11,12,13,14),
(3,4,8,9,10,2,11,12,15),
(3,4,8,10,2,11,12,15),
(5,6,4,8,9,10,2,11,12,13,14),
(5,6,4,8,10,2,11,12,13,14),
(5,6,4,8,9,10,2,11,12,15),
(5,6,4,8,10,2,11,12,15),
(13,14,12,15),
(12,13,14,12),
(4,5,6,4),
(2,3,4,5,7,8,9,10,2),
(2,3,4,5,7,8,10,2),
(2,3,4,8,9,10,2),
(2,3,4,8,10,2),
}
Software Test Job 4