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Unformatted text preview: Breath first search. GOAL STATE = ABC H~D GFE ~ denotes a empty space. NL = Node Level [U] = UP; [D] = Down; [L] = Left; [R] = Right Denotes the direction the blank space was moved to arrive at the current position. Hueristic: Do not search deeper than six nodes. STEP STATE Queue Notes 1 BHC AFD G~E [NULL] 2 BHC AFD G~E 2(BHC AFD ~GE[L], BHC A~D GFE[U], BHC AFD GE~[R]) 3 BHC AFD ~GE[L] 2(BHC A~D GFE[U], BHC AFD GE~[R]) 3(BHC ~FD AGE[U]) 4 BHC A~D GFE[U] 2(BHC AFD GE~[R]) 3(BHC ~FD AGE[U]  BHC ~AD GFE[L], B~C AHD GFE[U], BHC AD~ GFE[R]) 5 BHC AFD GE~[R] 3(BHC ~FD AGE[U],  BHC ~AD GFE[L], B~C AHD GFE[U], BHC AD~ GFE[R],  BHC AF~ GED[U]) 6 BHC ~FD AGE[U] 3(BHC ~AD GFE[L], B~C AHD GFE[U], BHC AD~ GFE[R],  BHC AF~ GED[U]) 4(BHC F~D AGE[R], ~HC BFD AGE[U]) 7 BHC ~AD GFE[L] 3(B~C AHD GFE[U], BHC AD~ GFE[R],  BHC AF~ GED[U]) 4(BHC F~D AGE[R], ~HC BFD AGE[U],  ~HC BAD GFE[U], BHC GAD ~FE[D]) 8 B~C AHD GFE[U] 3(BHC AD~ GFE[R],  BHC AF~ GED[U]) 4(BHC F~D AGE[R], ~HC BFD AGE[U],  ~HC BAD GFE[U], BHC GAD ~FE[D],  ~BC AHD GFE[L], BC~ AHD GFE[R]) 9 BHC AD~ GFE[R], 3(BHC AF~ GED[U]) 4(BHC F~D AGE[R], ~HC BFD AGE[U],  ~HC BAD GFE[U], BHC GAD ~FE[D],  ~BC AHD GFE[L], BC~ AHD GFE[R],  BH~ ADC GFE[U], BHC ADE GF~[D]) 10 BHC AF~ GED[U] 4(BHC F~D AGE[R], ~HC BFD AGE[U],  ~HC BAD GFE[U], BHC GAD ~FE[D],  ~BC AHD GFE[L], BC~ AHD GFE[R]  BH~ ADC GFE[U], BHC ADE GF~[D]  BHC A~F GED[L], BH~ AFC GED[U]) 11 BHC F~D AGE[R] 4(~HC BFD AGE[U],  ~HC BAD GFE[U], BHC GAD ~FE[D],  ~BC AHD GFE[L], BC~ AHD GFE[R]  BH~ ADC GFE[U], BHC ADE GF~[D]  BHC A~F GED[L], BH~ AFC GED[U]) 5(BHC FD~ AGE[R], B~C FHD AGE[U], BHC FGD A~E[D])...
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This note was uploaded on 12/30/2009 for the course COS 451 taught by Professor Jasonlitz during the Summer '09 term at Thomas Edison State.
 Summer '09
 JasonLitz

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