Analysis of xx-ph-00041455-12_07-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7.5.4..9..3.......5.3..4.2...7.....3......1..2.94...7.....9........524.. initial

Autosolve

position: 98.7..6..7.5.4..9..3.......5.3..4.2...7.....3......1..2.94...7.....97....7..524.9 autosolve
Autosolve

Pair Reduction Variants

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000006

List of important HDP chains detected for H1,G2: 3..:

* DIS # G2: 3 # G5: 5,8 => CTR => G5: 9
* DIS # G2: 3 + G5: 9 # I6: 7,8 => CTR => I6: 4,5,6
* CNT   2 HDP CHAINS /  58 HYP OPENED

List of important HDP chains detected for G4,G5: 9..:

* DIS # G4: 9 # G7: 5,8 => CTR => G7: 3
* DIS # G4: 9 + G7: 3 # G8: 5 => CTR => G8: 2,8
* DIS # G4: 9 + G7: 3 + G8: 2,8 # B5: 1,6 => CTR => B5: 2,4,9
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 # D4: 1,6 => CTR => D4: 8
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 # D2: 2,6 => CTR => D2: 1
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 + D2: 1 => CTR => G4: 7,8
* STA G4: 7,8
* CNT   6 HDP CHAINS /  55 HYP OPENED

List of important HDP chains detected for B7,B8: 5..:

* DIS # B8: 5 # B5: 1,6 => CTR => B5: 2,4,9
* CNT   1 HDP CHAINS /  55 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..7.5.4..9..3.......5.3..4.2...7.....3......1..2.94...7.....9........524.. initial
98.7..6..7.5.4..9..3.......5.3..4.2...7.....3......1..2.94...7.....97....7..524.9 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
G8,I8: 2.. / G8 = 2  =>  1 pairs (_) / I8 = 2  =>  1 pairs (_)
H1,G2: 3.. / H1 = 3  =>  3 pairs (_) / G2 = 3  =>  1 pairs (_)
A8,A9: 3.. / A8 = 3  =>  0 pairs (_) / A9 = 3  =>  0 pairs (_)
B7,B8: 5.. / B7 = 5  =>  1 pairs (_) / B8 = 5  =>  2 pairs (_)
G3,I3: 7.. / G3 = 7  =>  1 pairs (_) / I3 = 7  =>  1 pairs (_)
E4,E6: 7.. / E4 = 7  =>  2 pairs (_) / E6 = 7  =>  0 pairs (_)
E6,I6: 7.. / E6 = 7  =>  0 pairs (_) / I6 = 7  =>  2 pairs (_)
G3,G4: 7.. / G3 = 7  =>  1 pairs (_) / G4 = 7  =>  1 pairs (_)
D3,F3: 9.. / D3 = 9  =>  0 pairs (_) / F3 = 9  =>  0 pairs (_)
G4,G5: 9.. / G4 = 9  =>  2 pairs (_) / G5 = 9  =>  1 pairs (_)
* DURATION: 0:00:06.810763  START: 23:33:26.070418  END: 23:33:32.881181 2020-12-18
* CP COUNT: (10)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
H1,G2: 3.. / H1 = 3 ==>  3 pairs (_) / G2 = 3 ==>  2 pairs (_)
G4,G5: 9.. / G4 = 9 ==>  0 pairs (X) / G5 = 9  =>  1 pairs (_)
B7,B8: 5.. / B7 = 5 ==>  1 pairs (_) / B8 = 5 ==>  2 pairs (_)
E6,I6: 7.. / E6 = 7 ==>  0 pairs (_) / I6 = 7 ==>  2 pairs (_)
E4,E6: 7.. / E4 = 7 ==>  2 pairs (_) / E6 = 7 ==>  0 pairs (_)
G3,G4: 7.. / G3 = 7 ==>  1 pairs (_) / G4 = 7 ==>  1 pairs (_)
G3,I3: 7.. / G3 = 7 ==>  1 pairs (_) / I3 = 7 ==>  1 pairs (_)
G8,I8: 2.. / G8 = 2 ==>  1 pairs (_) / I8 = 2 ==>  1 pairs (_)
D3,F3: 9.. / D3 = 9 ==>  0 pairs (_) / F3 = 9 ==>  0 pairs (_)
A8,A9: 3.. / A8 = 3 ==>  0 pairs (_) / A9 = 3 ==>  0 pairs (_)
* DURATION: 0:01:54.873273  START: 23:33:32.881707  END: 23:35:27.754980 2020-12-18
* REASONING H1,G2: 3..
* DIS # G2: 3 # G5: 5,8 => CTR => G5: 9
* DIS # G2: 3 + G5: 9 # I6: 7,8 => CTR => I6: 4,5,6
* CNT   2 HDP CHAINS /  58 HYP OPENED
* REASONING G4,G5: 9..
* DIS # G4: 9 # G7: 5,8 => CTR => G7: 3
* DIS # G4: 9 + G7: 3 # G8: 5 => CTR => G8: 2,8
* DIS # G4: 9 + G7: 3 + G8: 2,8 # B5: 1,6 => CTR => B5: 2,4,9
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 # D4: 1,6 => CTR => D4: 8
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 # D2: 2,6 => CTR => D2: 1
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 + D2: 1 => CTR => G4: 7,8
* STA G4: 7,8
* CNT   6 HDP CHAINS /  55 HYP OPENED
* REASONING B7,B8: 5..
* DIS # B8: 5 # B5: 1,6 => CTR => B5: 2,4,9
* CNT   1 HDP CHAINS /  55 HYP OPENED
* DCP COUNT: (10)
* CLUE FOUND

Header Info

41455;12_07;GP;24;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for H1,G2: 3..:

* INC # H1: 3 # D2: 1,2 => UNS
* INC # H1: 3 # D3: 1,2 => UNS
* INC # H1: 3 # E3: 1,2 => UNS
* INC # H1: 3 # C1: 1,2 => UNS
* INC # H1: 3 # I1: 1,2 => UNS
* INC # H1: 3 # E5: 1,2 => UNS
* INC # H1: 3 # E5: 6,8 => UNS
* INC # H1: 3 # D3: 1,5 => UNS
* INC # H1: 3 # F3: 1,5 => UNS
* INC # H1: 3 # I1: 1,5 => UNS
* INC # H1: 3 # I1: 2,4 => UNS
* INC # H1: 3 # F5: 1,5 => UNS
* INC # H1: 3 # F5: 6,8,9 => UNS
* INC # H1: 3 # I2: 2,8 => UNS
* INC # H1: 3 # G3: 2,8 => UNS
* INC # H1: 3 # I3: 2,8 => UNS
* INC # H1: 3 # D2: 2,8 => UNS
* INC # H1: 3 # D2: 1,3,6 => UNS
* INC # H1: 3 # G8: 2,8 => UNS
* INC # H1: 3 # G8: 3,5 => UNS
* INC # H1: 3 => UNS
* INC # G2: 3 # I7: 5,8 => UNS
* INC # G2: 3 # G8: 5,8 => UNS
* INC # G2: 3 # H8: 5,8 => UNS
* INC # G2: 3 # I8: 5,8 => UNS
* INC # G2: 3 # G3: 5,8 => UNS
* DIS # G2: 3 # G5: 5,8 => CTR => G5: 9
* INC # G2: 3 + G5: 9 # G3: 5,8 => UNS
* INC # G2: 3 + G5: 9 # G3: 2,7 => UNS
* INC # G2: 3 + G5: 9 # I7: 5,8 => UNS
* INC # G2: 3 + G5: 9 # G8: 5,8 => UNS
* INC # G2: 3 + G5: 9 # H8: 5,8 => UNS
* INC # G2: 3 + G5: 9 # I8: 5,8 => UNS
* INC # G2: 3 + G5: 9 # G3: 5,8 => UNS
* INC # G2: 3 + G5: 9 # G3: 2,7 => UNS
* INC # G2: 3 + G5: 9 # I4: 7,8 => UNS
* DIS # G2: 3 + G5: 9 # I6: 7,8 => CTR => I6: 4,5,6
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I4: 7,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I4: 6 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 7,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 2,5 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I7: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G8: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # H8: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I8: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 2,7 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I4: 7,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I4: 6 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 7,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 2,5 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I7: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G8: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # H8: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # I8: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 5,8 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 # G3: 2,7 => UNS
* INC # G2: 3 + G5: 9 + I6: 4,5,6 => UNS
* CNT  58 HDP CHAINS /  58 HYP OPENED

Full list of HDP chains traversed for G4,G5: 9..:

* INC # G4: 9 # A5: 1,6 => UNS
* INC # G4: 9 # B5: 1,6 => UNS
* INC # G4: 9 # D4: 1,6 => UNS
* INC # G4: 9 # E4: 1,6 => UNS
* INC # G4: 9 # B2: 1,6 => UNS
* INC # G4: 9 # B7: 1,6 => UNS
* INC # G4: 9 # B8: 1,6 => UNS
* INC # G4: 9 # H5: 5,8 => UNS
* INC # G4: 9 # H6: 5,8 => UNS
* INC # G4: 9 # I6: 5,8 => UNS
* INC # G4: 9 # D5: 5,8 => UNS
* INC # G4: 9 # F5: 5,8 => UNS
* DIS # G4: 9 # G7: 5,8 => CTR => G7: 3
* INC # G4: 9 + G7: 3 # G8: 5,8 => UNS
* INC # G4: 9 + G7: 3 # G8: 5,8 => UNS
* INC # G4: 9 + G7: 3 # G8: 2 => UNS
* INC # G4: 9 + G7: 3 # H5: 5,8 => UNS
* INC # G4: 9 + G7: 3 # H6: 5,8 => UNS
* INC # G4: 9 + G7: 3 # D5: 5,8 => UNS
* INC # G4: 9 + G7: 3 # F5: 5,8 => UNS
* INC # G4: 9 + G7: 3 # G8: 5,8 => UNS
* INC # G4: 9 + G7: 3 # G8: 2 => UNS
* INC # G4: 9 + G7: 3 # D2: 1,2 => UNS
* INC # G4: 9 + G7: 3 # D3: 1,2 => UNS
* INC # G4: 9 + G7: 3 # E3: 1,2 => UNS
* INC # G4: 9 + G7: 3 # C1: 1,2 => UNS
* INC # G4: 9 + G7: 3 # I1: 1,2 => UNS
* INC # G4: 9 + G7: 3 # E5: 1,2 => UNS
* INC # G4: 9 + G7: 3 # E5: 6,8 => UNS
* INC # G4: 9 + G7: 3 # D3: 1,5 => UNS
* INC # G4: 9 + G7: 3 # F3: 1,5 => UNS
* INC # G4: 9 + G7: 3 # I1: 1,5 => UNS
* INC # G4: 9 + G7: 3 # I1: 2,4 => UNS
* INC # G4: 9 + G7: 3 # F5: 1,5 => UNS
* INC # G4: 9 + G7: 3 # F5: 6,8,9 => UNS
* INC # G4: 9 + G7: 3 # I2: 2,8 => UNS
* INC # G4: 9 + G7: 3 # I3: 2,8 => UNS
* INC # G4: 9 + G7: 3 # D2: 2,8 => UNS
* INC # G4: 9 + G7: 3 # D2: 1,6 => UNS
* INC # G4: 9 + G7: 3 # G8: 2,8 => UNS
* DIS # G4: 9 + G7: 3 # G8: 5 => CTR => G8: 2,8
* INC # G4: 9 + G7: 3 + G8: 2,8 # I2: 2,8 => UNS
* INC # G4: 9 + G7: 3 + G8: 2,8 # I3: 2,8 => UNS
* INC # G4: 9 + G7: 3 + G8: 2,8 # D2: 2,8 => UNS
* INC # G4: 9 + G7: 3 + G8: 2,8 # D2: 1,6 => UNS
* INC # G4: 9 + G7: 3 + G8: 2,8 # A5: 1,6 => UNS
* DIS # G4: 9 + G7: 3 + G8: 2,8 # B5: 1,6 => CTR => B5: 2,4,9
* INC # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 # A5: 1,6 => UNS
* INC # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 # A5: 4,8 => UNS
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 # D4: 1,6 => CTR => D4: 8
* INC # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 # C3: 2,6 => UNS
* INC # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 # C3: 1,4 => UNS
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 # D2: 2,6 => CTR => D2: 1
* DIS # G4: 9 + G7: 3 + G8: 2,8 + B5: 2,4,9 + D4: 8 + D2: 1 => CTR => G4: 7,8
* INC G4: 7,8 # G5: 9 => UNS
* STA G4: 7,8
* CNT  55 HDP CHAINS /  55 HYP OPENED

Full list of HDP chains traversed for B7,B8: 5..:

* INC # B8: 5 # A5: 6,8 => UNS
* INC # B8: 5 # C6: 6,8 => UNS
* INC # B8: 5 # D6: 6,8 => UNS
* INC # B8: 5 # E6: 6,8 => UNS
* INC # B8: 5 # F6: 6,8 => UNS
* INC # B8: 5 # H6: 6,8 => UNS
* INC # B8: 5 # I6: 6,8 => UNS
* INC # B8: 5 # A8: 6,8 => UNS
* INC # B8: 5 # A9: 6,8 => UNS
* INC # B8: 5 # A8: 1,6 => UNS
* INC # B8: 5 # C8: 1,6 => UNS
* INC # B8: 5 # A9: 1,6 => UNS
* INC # B8: 5 # C9: 1,6 => UNS
* INC # B8: 5 # E7: 1,6 => UNS
* INC # B8: 5 # F7: 1,6 => UNS
* INC # B8: 5 # I7: 1,6 => UNS
* INC # B8: 5 # B2: 1,6 => UNS
* INC # B8: 5 # B4: 1,6 => UNS
* DIS # B8: 5 # B5: 1,6 => CTR => B5: 2,4,9
* INC # B8: 5 + B5: 2,4,9 # A8: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # C8: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # A9: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # C9: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # E7: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # F7: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # I7: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # B2: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # B4: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # A5: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # C6: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # D6: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # E6: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # F6: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # H6: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # I6: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # A8: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # A9: 6,8 => UNS
* INC # B8: 5 + B5: 2,4,9 # A8: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # C8: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # A9: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # C9: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # E7: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # F7: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # I7: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # B2: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 # B4: 1,6 => UNS
* INC # B8: 5 + B5: 2,4,9 => UNS
* INC # B7: 5 # G8: 3,8 => UNS
* INC # B7: 5 # H8: 3,8 => UNS
* INC # B7: 5 # H9: 3,8 => UNS
* INC # B7: 5 # E7: 3,8 => UNS
* INC # B7: 5 # F7: 3,8 => UNS
* INC # B7: 5 # G2: 3,8 => UNS
* INC # B7: 5 # G2: 2 => UNS
* INC # B7: 5 => UNS
* CNT  55 HDP CHAINS /  55 HYP OPENED

Full list of HDP chains traversed for E6,I6: 7..:

* INC # I6: 7 # G5: 8,9 => UNS
* INC # I6: 7 # G5: 5 => UNS
* INC # I6: 7 # D4: 8,9 => UNS
* INC # I6: 7 # D4: 1,6 => UNS
* INC # I6: 7 # H5: 6,8 => UNS
* INC # I6: 7 # H6: 6,8 => UNS
* INC # I6: 7 # D4: 6,8 => UNS
* INC # I6: 7 # D4: 1,9 => UNS
* INC # I6: 7 # I7: 6,8 => UNS
* INC # I6: 7 # I8: 6,8 => UNS
* INC # I6: 7 => UNS
* INC # E6: 7 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for E4,E6: 7..:

* INC # E4: 7 # G5: 8,9 => UNS
* INC # E4: 7 # G5: 5 => UNS
* INC # E4: 7 # D4: 8,9 => UNS
* INC # E4: 7 # D4: 1,6 => UNS
* INC # E4: 7 # H5: 6,8 => UNS
* INC # E4: 7 # H6: 6,8 => UNS
* INC # E4: 7 # D4: 6,8 => UNS
* INC # E4: 7 # D4: 1,9 => UNS
* INC # E4: 7 # I7: 6,8 => UNS
* INC # E4: 7 # I8: 6,8 => UNS
* INC # E4: 7 => UNS
* INC # E6: 7 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for G3,G4: 7..:

* INC # G3: 7 # G5: 8,9 => UNS
* INC # G3: 7 # G5: 5 => UNS
* INC # G3: 7 # D4: 8,9 => UNS
* INC # G3: 7 # D4: 1,6 => UNS
* INC # G3: 7 => UNS
* INC # G4: 7 # H5: 6,8 => UNS
* INC # G4: 7 # H6: 6,8 => UNS
* INC # G4: 7 # I6: 6,8 => UNS
* INC # G4: 7 # D4: 6,8 => UNS
* INC # G4: 7 # E4: 6,8 => UNS
* INC # G4: 7 # I7: 6,8 => UNS
* INC # G4: 7 # I8: 6,8 => UNS
* INC # G4: 7 => UNS
* CNT  13 HDP CHAINS /  13 HYP OPENED

Full list of HDP chains traversed for G3,I3: 7..:

* INC # G3: 7 # G5: 8,9 => UNS
* INC # G3: 7 # G5: 5 => UNS
* INC # G3: 7 # D4: 8,9 => UNS
* INC # G3: 7 # D4: 1,6 => UNS
* INC # G3: 7 => UNS
* INC # I3: 7 # H5: 6,8 => UNS
* INC # I3: 7 # H6: 6,8 => UNS
* INC # I3: 7 # I6: 6,8 => UNS
* INC # I3: 7 # D4: 6,8 => UNS
* INC # I3: 7 # E4: 6,8 => UNS
* INC # I3: 7 # I7: 6,8 => UNS
* INC # I3: 7 # I8: 6,8 => UNS
* INC # I3: 7 => UNS
* CNT  13 HDP CHAINS /  13 HYP OPENED

Full list of HDP chains traversed for G8,I8: 2..:

* INC # G8: 2 # D2: 3,8 => UNS
* INC # G8: 2 # F2: 3,8 => UNS
* INC # G8: 2 # G7: 3,8 => UNS
* INC # G8: 2 # G7: 5 => UNS
* INC # G8: 2 => UNS
* INC # I8: 2 # H3: 1,8 => UNS
* INC # I8: 2 # I3: 1,8 => UNS
* INC # I8: 2 # D2: 1,8 => UNS
* INC # I8: 2 # F2: 1,8 => UNS
* INC # I8: 2 # I7: 1,8 => UNS
* INC # I8: 2 # I7: 5,6 => UNS
* INC # I8: 2 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for D3,F3: 9..:

* INC # D3: 9 => UNS
* INC # F3: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A8,A9: 3..:

* INC # A8: 3 => UNS
* INC # A9: 3 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED