From Moonboot:
Solution to the river puzzle of October 21, 2005
Man - finally after 3 weeks, I did it ...!!

Damned hard - guess I must be kinda thick (lol)

1  Policeman + thief cross river
2  Policeman returns
3  Policeman + boy #1 cross river
4  Policeman + thief return
5  Father + boy #2 cross river
6  Father returns
7  Mother + father cross river
8  Mother returns
9  Policeman + thief cross river
10 Father returns
11 Mother + father cross river
12 Mother returns
13 Mother + girl #1 cross river
14 Policeman + thief return
15 Policeman + girl #2 cross river
16 Policeman returns
17 Policeman + thief cross river

Game Over!!!