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63) 8, 9=4 Only place in row that 4 can go
62) 9, 9=1 Only place in row that 1 can go
61) 9, 6=4 Only place in row that 4 can go
60) 8, 6=1 Guess 1 from 14 (cycle 59)
59) 7, 9=2 Only place in row that 2 can go
58) 7, 6=3 Only place in row that 3 can go
57) 8, 3=3 Only place in row that 3 can go
56) 9, 3=2 Only place in row that 2 can go
55) 7, 3=1 Guess 1 from 123 (cycle 54)
54) 6, 9=3 Only place in row that 3 can go
53) 9, 8=3 Only place in row that 3 can go
52) 6, 8=5 Only place in row that 5 can go
51) 8, 5=2 Only place in row that 2 can go
50) 9, 5=7 Only place in row that 7 can go
49) 8, 7=7 Only place in row that 7 can go
48) 9, 7=5 Only place in row that 5 can go
47) 6, 7=2 Guess 2 from 25 (cycle 46)
46) 7, 5=5 Only place in column that 5 can go
45) 7, 7=9 Only place in row that 9 can go
44) 8, 4=9 Only place in row that 9 can go
43) 7, 4=6 Only place in row that 6 can go
42) 8, 8=6 Only place in row that 6 can go
41) 7, 8=8 Only place in row that 8 can go
40) 9, 4=8 Only number this square can be.
39) 6, 5=4 Only place in column that 4 can go
38) 6, 6=8 Only place in column that 8 can go
37) 6, 4=7 Guess 7 from 78 (cycle 36)
36) 5, 9=7 Only place in column that 7 can go
35) 5, 7=4 Guess 4 from 47 (cycle 34)
34) 5, 8=1 Only number this square can be.
33) 5, 5=9 Only place in column that 9 can go
32) 5, 6=6 Only place in column that 6 can go
31) 5, 4=3 Guess 3 from 3679 (cycle 30)
30) 6, 3=9 Only place in row that 9 can go
29) 5, 3=8 Guess 8 from 89 (cycle 28)
28) 4, 8=9 Only place in column that 9 can go
27) 4, 7=8 Guess 8 from 89 (cycle 26)
26) 4, 9=6 Only number this square can be.
25) 4, 6=2 Guess 2 from 268 (cycle 24)
24) 4, 5=1 Guess 1 from 129 (cycle 23)
23) 4, 4=5 Guess 5 from 5689 (cycle 22)
22) 4, 3=7 Guess 7 from 789 (cycle 21)
21) 3, 9=5 Only place in column that 5 can go
20) 3, 8=2 Guess 2 from 25 (cycle 19)
19) 3, 7=1 Guess 1 from 125 (cycle 18)
18) 3, 6=9 Only place in column that 9 can go
17) 3, 5=8 Guess 8 from 89 (cycle 16)
16) 3, 4=4 Guess 4 from 489 (cycle 15)
15) 2, 9=9 Only place in column that 9 can go
14) 2, 8=4 Guess 4 from 49 (cycle 13)
13) 2, 7=3 Guess 3 from 349 (cycle 12)
12) 2, 6=7 Only place in column that 7 can go
11) 2, 5=6 Guess 6 from 4679
10) 2, 4=1 Guess 1 from 14679 (cycle 9)
9) 3, 3=6 Only place in row that 6 can go
8) 2, 3=5 Guess 5 from 56 (cycle 7)
7) 1, 9=8 Only place in column that 8 can go
6) 1, 8=7 Guess 7 from 78 (cycle 5)
5) 1, 7=6 Guess 6 from 678 (cycle 4)
4) 1, 6=5 Guess 5 from 5678 (cycle 3)
3) 1, 5=3 Guess 3 from 35678 (cycle 2)
2) 1, 4=2 Guess 2 from 235678 (cycle 1)
1) 1, 3=4 Guess 4 from 456 (cycle 0) |  |