レベルは★★★の問題で、ここ半年掲載の数独問題としてはやさしい方です。
次の一手は次のようになります。
1 (1,5)= 1 B1 Block 2
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2 (2,2)= 4 B1 Block 1
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3 (9,8)= 8 B1 Block 9
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4 (3,5)= 9 B1 Block 2
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5 (9,6)= 1 B2 Block 8
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6 (7,1)= 4 B2 Block 7
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7 (1,7)= 8 B2 Block 3
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8 (8,2)= 1 B3 Block 7
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9 (9,5)= 4 B3 Block 8
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10 (3,2)= 8 B3 Block 1
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11 (5,3)= 1 B4 Block 4
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12 (5,4)= 4 B4 Block 5
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13 (1,2)= 6 B4 Block 1
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14 (2,5)= 8 B4 Block 2
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15 (5,1)= 8 B4 Block 4
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16 (7,2)= 9 B4 Block 7
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17 (4,8)= 1 B5 Block 6
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18 (2,6)= 3 B5 Block 2
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19 (6,8)= 4 B5 Block 6
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20 (8,1)= 5 B5 Block 7
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21 (4,4)= 8 B5 Block 5
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22 (6,3)= 9 B5 Block 4
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23 (3,3)= 3 B6 Block 1
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24 (7,5)= 5 B6 Block 8
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25 (5,6)= 9 B6 Block 5
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26 (1,8)= 3 B7 Block 3
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27 (9,2)= 3 B7 Block 7
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28 (2,3)= 5 B7 Block 1
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29 (5,5)= 6 B7 Block 5
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30 (7,6)= 6 B7 Block 8
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31 (4,7)= 9 B7 Block 6
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32 (1,1)= 2 B8 Block 1
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33 (9,3)= 2 B8 Block 7
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34 (4,5)= 3 B8 Block 5
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35 (8,7)= 3 B8 Block 9
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36 (9,9)= 6 B8 Block 9
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37 (8,8)= 9 B8 Block 9
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38 (3,4)= 2 B9 Block 2
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39 (5,9)= 3 B9 Block 6
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40 (3,8)= 6 B9 Block 3
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41 (6,5)= 7 B9 Block 5
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42 (2,8)= 2 B10 Block 3
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43 (6,6)= 2 B10 Block 5
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44 (8,5)= 2 B10 Block 8 二重枠
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45 (1,4)= 5 B10 Block 2
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46 (3,9)= 5 B10 Block 3
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47 (5,8)= 5 B10 Block 6 二重枠
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48 (8,4)= 7 B10 Block 8
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49 (5,2)= 2 B11 Block 4
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50 (7,7)= 2 B11 Block 9
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51 (6,2)= 5 B11 Block 4
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52 (2,9)= 7 B11 Block 3
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53 (5,7)= 7 B11 Block 6
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54 (4,2)= 7 B12 Block 4
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55 (7,8)= 7 B12 Block 9
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