2(7) / 2(9)
2(4) / 2(8)
3(2) / 3(10)
2(7) / 2(7)
3(3) / 3(9)
3(5) / 3(7)
2(2) / 2(3)
(a) 3(-2)
(c) 2(-4)
(f) 2(0)
(d) 2(-1)
(g) 2(-2)
(e) 3(-6)
(b) 3(-8)
