Analysis of xx-ph-00044944-12_10-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7...6.5...5.8.4...3......6..795..3....5.3..9....2.5.......7.9.........51 initial

Autosolve

position: 98.75.6..7...6.5...5.8.4...3......65.795..3....5.3..9....2.5...5...7.9.........51 autosolve
Autosolve

Pair Reduction Variants

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000008

List of important HDP chains detected for A5,F5: 6..:

* PRF # A5: 6 # I6: 2,4 => SOL
* STA # A5: 6 + I6: 2,4
* CNT   1 HDP CHAINS /  16 HYP OPENED

See Appendix: Full HDP Chains for full list of HDP chains.

Details

This sudoku is deep. Here is some information that may be helpful on how to proceed.

Positions

98.7..6..7...6.5...5.8.4...3......6..795..3....5.3..9....2.5.......7.9.........51 initial
98.75.6..7...6.5...5.8.4...3......65.795..3....5.3..9....2.5...5...7.9.........51 autosolve

Classification

level: deep

Pairing Analysis

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* CONSTRAINT PAIRS (AUTO SOLVE)
A3,C3: 6.. / A3 = 6  =>  1 pairs (_) / C3 = 6  =>  2 pairs (_)
I7,I8: 6.. / I7 = 6  =>  0 pairs (_) / I8 = 6  =>  0 pairs (_)
A5,F5: 6.. / A5 = 6  =>  2 pairs (_) / F5 = 6  =>  1 pairs (_)
F4,F6: 7.. / F4 = 7  =>  0 pairs (_) / F6 = 7  =>  2 pairs (_)
C7,C9: 7.. / C7 = 7  =>  2 pairs (_) / C9 = 7  =>  0 pairs (_)
F4,G4: 7.. / F4 = 7  =>  0 pairs (_) / G4 = 7  =>  2 pairs (_)
C9,G9: 7.. / C9 = 7  =>  0 pairs (_) / G9 = 7  =>  2 pairs (_)
H3,H7: 7.. / H3 = 7  =>  1 pairs (_) / H7 = 7  =>  1 pairs (_)
H2,I2: 8.. / H2 = 8  =>  0 pairs (_) / I2 = 8  =>  2 pairs (_)
I2,I3: 9.. / I2 = 9  =>  2 pairs (_) / I3 = 9  =>  1 pairs (_)
B7,B9: 9.. / B7 = 9  =>  0 pairs (_) / B9 = 9  =>  2 pairs (_)
E3,I3: 9.. / E3 = 9  =>  2 pairs (_) / I3 = 9  =>  1 pairs (_)
B7,E7: 9.. / B7 = 9  =>  0 pairs (_) / E7 = 9  =>  2 pairs (_)
* DURATION: 0:00:10.245289  START: 15:31:41.964896  END: 15:31:52.210185 2020-12-19
* CP COUNT: (13)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
E3,I3: 9.. / E3 = 9 ==>  2 pairs (_) / I3 = 9 ==>  1 pairs (_)
I2,I3: 9.. / I2 = 9 ==>  2 pairs (_) / I3 = 9 ==>  1 pairs (_)
A5,F5: 6.. / A5 = 6 ==>  0 pairs (*) / F5 = 6  =>  0 pairs (X)
* DURATION: 0:00:41.784088  START: 15:31:52.210789  END: 15:32:33.994877 2020-12-19
* REASONING A5,F5: 6..
* PRF # A5: 6 # I6: 2,4 => SOL
* STA # A5: 6 + I6: 2,4
* CNT   1 HDP CHAINS /  16 HYP OPENED
* DCP COUNT: (3)
* SOLUTION FOUND

Header Info

44944;12_10;GP;25;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for E3,I3: 9..:

* INC # E3: 9 # F1: 1,3 => UNS
* INC # E3: 9 # F2: 1,3 => UNS
* INC # E3: 9 # B2: 1,3 => UNS
* INC # E3: 9 # C2: 1,3 => UNS
* INC # E3: 9 # D8: 1,3 => UNS
* INC # E3: 9 # D8: 4,6 => UNS
* INC # E3: 9 # E7: 4,8 => UNS
* INC # E3: 9 # E7: 1 => UNS
* INC # E3: 9 # A9: 4,8 => UNS
* INC # E3: 9 # C9: 4,8 => UNS
* INC # E3: 9 # G9: 4,8 => UNS
* INC # E3: 9 # E4: 4,8 => UNS
* INC # E3: 9 # E5: 4,8 => UNS
* INC # E3: 9 => UNS
* INC # I3: 9 # F1: 1,2 => UNS
* INC # I3: 9 # F2: 1,2 => UNS
* INC # I3: 9 # A3: 1,2 => UNS
* INC # I3: 9 # C3: 1,2 => UNS
* INC # I3: 9 # G3: 1,2 => UNS
* INC # I3: 9 # H3: 1,2 => UNS
* INC # I3: 9 # E4: 1,2 => UNS
* INC # I3: 9 # E5: 1,2 => UNS
* INC # I3: 9 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for I2,I3: 9..:

* INC # I2: 9 # F1: 1,3 => UNS
* INC # I2: 9 # F2: 1,3 => UNS
* INC # I2: 9 # B2: 1,3 => UNS
* INC # I2: 9 # C2: 1,3 => UNS
* INC # I2: 9 # D8: 1,3 => UNS
* INC # I2: 9 # D8: 4,6 => UNS
* INC # I2: 9 # E7: 4,8 => UNS
* INC # I2: 9 # E7: 1 => UNS
* INC # I2: 9 # A9: 4,8 => UNS
* INC # I2: 9 # C9: 4,8 => UNS
* INC # I2: 9 # G9: 4,8 => UNS
* INC # I2: 9 # E4: 4,8 => UNS
* INC # I2: 9 # E5: 4,8 => UNS
* INC # I2: 9 => UNS
* INC # I3: 9 # F1: 1,2 => UNS
* INC # I3: 9 # F2: 1,2 => UNS
* INC # I3: 9 # A3: 1,2 => UNS
* INC # I3: 9 # C3: 1,2 => UNS
* INC # I3: 9 # G3: 1,2 => UNS
* INC # I3: 9 # H3: 1,2 => UNS
* INC # I3: 9 # E4: 1,2 => UNS
* INC # I3: 9 # E5: 1,2 => UNS
* INC # I3: 9 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for A5,F5: 6..:

* INC # A5: 6 # C1: 1,2 => UNS
* INC # A5: 6 # B2: 1,2 => UNS
* INC # A5: 6 # C2: 1,2 => UNS
* INC # A5: 6 # E3: 1,2 => UNS
* INC # A5: 6 # G3: 1,2 => UNS
* INC # A5: 6 # H3: 1,2 => UNS
* INC # A5: 6 # A6: 1,2 => UNS
* INC # A5: 6 # A6: 4,8 => UNS
* INC # A5: 6 # H1: 2,4 => UNS
* INC # A5: 6 # H2: 2,4 => UNS
* INC # A5: 6 # I2: 2,4 => UNS
* INC # A5: 6 # C1: 2,4 => UNS
* INC # A5: 6 # C1: 1,3 => UNS
* INC # A5: 6 # I5: 2,4 => UNS
* PRF # A5: 6 # I6: 2,4 => SOL
* STA # A5: 6 + I6: 2,4
* CNT  15 HDP CHAINS /  16 HYP OPENED