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A River crossing puzzle

Posted on: November 28th, 2013 by
1

There are 2 small bots and 2 big bots. They have a boat to take them across the river. The boat can carry either 2 small bots or 1 big bot. At least 1 bot must ride the boat. Show how all 4 bots can cross the river.

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One Response to A River crossing puzzle

  1. Sid Hollander had this to say about that:

    SSBB (START)
    SS------>
    ------->SS
    SSB
    SB
    ------->BSS
    SBS
    ------->BBS
    SBB
    ------->BBSS (end)


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