601708
14 A
26 27 30
1 7 A
6 B
11 AB 12 BC 14 ABD 15 ABD
2 8 10 A
13
1 2 6 9 A
4 8 A
3 B
12 14
11 AD 15 AD
4.8 A
3
2.5d
12.14 adcd