Puzzles/Action sequences/Crossing the River II/Solution

Puzzles | Action sequences | Crossing the River II | Solution

Label the fathers A, B and C, the sons a, b and c, river . and boat < >.

AaBbCc <  >.....
        ........
A B Cc  ..<ab>..
        ........
A B Cc  .....<  >  a b
        ........
A B Cc  ..<b >..   a
        ........
A BbCc <  >.....   a
        ........
A B C   ..<bc>..   a
        ........
A B C   .....<  >  a b c
        ........
A B C   ..<c >..   a b
        ........
A B Cc <  >.....   a b
        ........
    Cc  ..<AB>..   a b
        ........
    Cc  .....<  > AaBb
        ........
    Cc  ..<Bb>..  Aa
        ........
  BbCc <  >.....  Aa
        ........
   b c  ..<BC>..  Aa
        ........
   b c  .....<  > AaB C
        ........
   b c  ..<a >..  A B C
        ........
 a b c <  >.....  A B C
        ........
     c  ..<ab>..  A B C
        ........
     c  ....<  >  AaBbC
        ........
     c  ..<C >..  AaBb
        ........
    Cc <  >.....  AaBb
        ........
        ...<Cc>.  AaBb
        ........
        .....<  > AaBbCc