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  <title>PUZZLE 15</title>
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 <name type="Personal Name" authority="">
  <namePart>KHAIRUNNISA NUR FITHRIANI</namePart>
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  <place>
   <placeTerm type="text">Banda Aceh</placeTerm>
   <publisher>FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM UNIVERSITAS SYIAH KUALA</publisher>
   <dateIssued>2018</dateIssued>
  </place>
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  <languageTerm type="text">Indonesia</languageTerm>
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 <note>ABSTRAK&#13;
Puzzle 15 adalah salah satu puzzle yang pernah populer. Puzzle ini terdiri dari 4 4&#13;
grid yang dilabelkan secara acak dengan 1; 2; : : : ; 15 dimana ada sebuah grid yang&#13;
dibiarkan tanpa label (disebut blank). Permainan ini dimainkan dengan menggeser&#13;
sembarang grid yang berdekatan dengan blank sehingga labelnya bertukar. Tujuan&#13;
dari permainan ini adalah: diberikan sembarang posisi (pelabelan) awal dan posisi&#13;
akhir, dapatkah posisi akhir dicapai dari posisi awal dengan melakukan sejumlah&#13;
hingga pergeseran? Dalam tulisan ini akan dijelaskan bagaimana memodelkan&#13;
permainan Puzzle 15 kedalam grup permutasi. Kemudian akan dicari karakterisasi&#13;
keterselesaiannya. Karakterisasi yang didapatkan juga menyimpulkan bahwa jika&#13;
posisi akhir ditetapkan, maka ada tepat setengah (yaitu 16!=2) dari keseluruhan kemungkinan&#13;
posisi awal yang dapat dibawa ke posisi akhir.&#13;
Kata Kunci: Puzzle 15, grup permutasi, karakterisasi ketrselesaian.&#13;
ABSTRACT&#13;
The so-called 15-Puzzle is one of favorite puzzles that are well known to public at the&#13;
earlier time. It consists of 44 grids that are labeled randomly by 1; 2; : : : ; 15 where&#13;
there is a distinguished grid (called blank) with no label associated to it. By a move in&#13;
this puzzle we mean sliding any grids that are adjacent to the blank so that its labels&#13;
are exchanged. The purpose of the game is: given any initial position (labelling) and&#13;
any target position, can the target position reacheble from the initial by ?nite number&#13;
of moves? We will determine a characterization for the solvability of 15-Puzzle by&#13;
interprets it into theory of permutation groups. The obtained characterization also&#13;
tell us that if the target position is ?xed, then there are exactly half of the initial&#13;
positions that can be moved to the target position.&#13;
Keywords: 15-Puzzle, permutation groups, solvability characterization.</note>
 <subject authority="">
  <topic>COMPUTER SCIENCE</topic>
 </subject>
 <classification>1</classification>
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  <physicalLocation>ELECTRONIC THESES AND DISSERTATION Universitas Syiah Kuala</physicalLocation>
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