(4, 12), (6,22), (8, 26)
(4, 16), (6,20), (8, 14)
(4,20), (6,21), (8,22)
(4, 100), (6,120), (8, 140)
(4, 60), (6,75), (8, 104)
(4,80), (6,98), (8,120)
