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72) 8, 9=3 Only place in row that 3 can go
71) 9, 9=1 Only place in row that 1 can go
70) 9, 6=3 Only place in row that 3 can go
69) 8, 6=1 Guess 1 from 13 (cycle 68)
68) 9, 8=5 Only place in row that 5 can go
67) 8, 8=4 Only place in row that 4 can go
66) 9, 2=4 Only place in row that 4 can go
65) 8, 2=7 Only place in row that 7 can go
64) 9, 7=7 Only place in row that 7 can go
63) 8, 7=2 Only place in row that 2 can go
62) 8, 5=5 Only place in row that 5 can go
61) 9, 5=6 Only place in row that 6 can go
60) 9, 3=2 Only place in row that 2 can go
59) 8, 3=8 Only place in row that 8 can go
58) 9, 4=8 Only place in row that 8 can go
57) 8, 4=9 Only place in row that 9 can go
56) 9, 1=9 Only place in row that 9 can go
55) 8, 1=6 Guess 6 from 69 (cycle 54)
54) 7, 8=6 Only place in column that 6 can go
53) 7, 5=2 Only place in column that 2 can go
52) 7, 7=9 Only place in column that 9 can go
51) 7, 4=4 Guess 4 from 49 (cycle 50)
50) 7, 9=8 Only number this square can be.
49) 7, 6=7 Only number this square can be.
48) 7, 3=1 Guess 1 from 128 (cycle 47)
47) 7, 2=3 Guess 3 from 347 (cycle 46)
46) 7, 1=5 Guess 5 from 569 (cycle 45)
45) 6, 9=5 Only place in column that 5 can go
44) 6, 8=3 Guess 3 from 35 (cycle 43)
43) 6, 5=4 Only place in column that 4 can go
42) 6, 4=2 Guess 2 from 24 (cycle 41)
41) 6, 2=8 Only place in column that 8 can go
40) 6, 3=9 Only place in column that 9 can go
39) 6, 1=7 Guess 7 from 79 (cycle 38)
38) 5, 8=7 Only place in column that 7 can go
37) 5, 7=4 Guess 4 from 47 (cycle 36)
36) 6, 7=1 Only number this square can be.
35) 6, 6=6 Only number this square can be.
34) 5, 9=2 Only number this square can be.
33) 5, 6=9 Only place in column that 9 can go
32) 5, 5=8 Only place in column that 8 can go
31) 5, 4=1 Guess 1 from 12489 (cycle 30)
30) 5, 3=6 Guess 6 from 689 (cycle 29)
29) 5, 2=5 Guess 5 from 578 (cycle 28)
28) 5, 1=3 Guess 3 from 35679 (cycle 27)
27) 4, 9=6 Only place in column that 6 can go
26) 4, 8=9 Only place in column that 9 can go
25) 4, 7=8 Guess 8 from 89 (cycle 24)
24) 4, 6=5 Guess 5 from 569 (cycle 23)
23) 4, 5=3 Guess 3 from 3568 (cycle 22)
22) 4, 4=7 Guess 7 from 789 (cycle 21)
21) 4, 3=4 Guess 4 from 4689 (cycle 20)
20) 4, 2=2 Guess 2 from 234578 (cycle 19)
19) 4, 1=1 Guess 1 from 135679 (cycle 18)
18) 3, 9=4 Only place in column that 4 can go
17) 3, 8=1 Guess 1 from 14 (cycle 16)
16) 3, 5=7 Only place in column that 7 can go
15) 3, 4=6 Guess 6 from 67 (cycle 14)
14) 3, 2=9 Only place in column that 9 can go
13) 3, 1=8 Guess 8 from 89 (cycle 12)
12) 2, 8=8 Only place in column that 8 can go
11) 2, 7=3 Guess 3 from 38 (cycle 10)
10) 2, 6=4 Only place in column that 4 can go
9) 2, 5=1 Guess 1 from 14 (cycle 8)
8) 2, 3=7 Guess 7 from 78 (cycle 7)
7) 2, 2=6 Guess 6 from 678 (cycle 6)
6) 2, 1=2 Guess 2 from 2678 (cycle 5)
5) 1, 9=7 Only place in column that 7 can go
4) 1, 7=6 Guess 6 from 67 (cycle 3)
3) 1, 5=9 Only place in column that 9 can go
2) 1, 3=5 Only place in column that 5 can go
1) 1, 2=1 Guess 1 from 15679 (cycle 0) | |