Analysis of xx-ph-00052180-12_10-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....6...9.5....4..6.9.4....8.3...32....5......1...4...3.8...61....2....7.3.. initial

Autosolve

position: 98.7.....6...9.5....4..6.9.4....8.3...32....5......1...4...3.8...61....2....7.3.. 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

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: 0:00:00.000009

List of important HDP chains detected for A3,A8: 3..:

* DIS # A3: 3 # D9: 5,8 => CTR => D9: 4,6,9
* CNT   1 HDP CHAINS /  11 HYP OPENED

List of important HDP chains detected for A8,B8: 3..:

* DIS # B8: 3 # D9: 5,8 => CTR => D9: 4,6,9
* CNT   1 HDP CHAINS /  11 HYP OPENED

List of important HDP chains detected for F5,F6: 7..:

* DIS # F5: 7 # G5: 4,6 => CTR => G5: 8,9
* CNT   1 HDP CHAINS /  21 HYP OPENED

List of important HDP chains detected for E3,E8: 8..:

* DIS # E3: 8 => CTR => E3: 1,2,3,5
* STA E3: 1,2,3,5
* CNT   1 HDP CHAINS /   2 HYP OPENED

List of important HDP chains detected for A8,E8: 8..:

* DIS # A8: 8 => CTR => A8: 3,5,7
* STA A8: 3,5,7
* CNT   1 HDP CHAINS /   2 HYP OPENED

List of important HDP chains detected for E8,D9: 8..:

* DIS # D9: 8 => CTR => D9: 4,5,6,9
* STA D9: 4,5,6,9
* CNT   1 HDP CHAINS /   2 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...9.5....4..6.9.4....8.3...32....5......1...4...3.8...61....2....7.3.. initial
98.7.....6...9.5....4..6.9.4....8.3...32....5......1...4...3.8...61....2....7.3.. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
G4,H6: 2.. / G4 = 2  =>  2 pairs (_) / H6 = 2  =>  0 pairs (_)
E7,F9: 2.. / E7 = 2  =>  1 pairs (_) / F9 = 2  =>  2 pairs (_)
D6,E6: 3.. / D6 = 3  =>  2 pairs (_) / E6 = 3  =>  0 pairs (_)
A8,B8: 3.. / A8 = 3  =>  0 pairs (_) / B8 = 3  =>  3 pairs (_)
E1,I1: 3.. / E1 = 3  =>  2 pairs (_) / I1 = 3  =>  0 pairs (_)
A3,A8: 3.. / A3 = 3  =>  3 pairs (_) / A8 = 3  =>  0 pairs (_)
H8,H9: 5.. / H8 = 5  =>  2 pairs (_) / H9 = 5  =>  1 pairs (_)
F5,F6: 7.. / F5 = 7  =>  2 pairs (_) / F6 = 7  =>  0 pairs (_)
G5,I6: 8.. / G5 = 8  =>  2 pairs (_) / I6 = 8  =>  1 pairs (_)
E8,D9: 8.. / E8 = 8  =>  0 pairs (_) / D9 = 8  =>  0 pairs (X)
D2,I2: 8.. / D2 = 8  =>  1 pairs (_) / I2 = 8  =>  3 pairs (_)
A5,G5: 8.. / A5 = 8  =>  1 pairs (_) / G5 = 8  =>  2 pairs (_)
A8,E8: 8.. / A8 = 8  =>  0 pairs (X) / E8 = 8  =>  0 pairs (_)
C6,C9: 8.. / C6 = 8  =>  2 pairs (_) / C9 = 8  =>  0 pairs (_)
E3,E8: 8.. / E3 = 8  =>  0 pairs (X) / E8 = 8  =>  0 pairs (_)
G3,G5: 8.. / G3 = 8  =>  1 pairs (_) / G5 = 8  =>  2 pairs (_)
* DURATION: 0:00:10.608560  START: 10:23:27.358226  END: 10:23:37.966786 2020-12-20
* CP COUNT: (16)
* CLUE FOUND

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
D2,I2: 8.. / D2 = 8 ==>  1 pairs (_) / I2 = 8 ==>  3 pairs (_)
A3,A8: 3.. / A3 = 3 ==>  4 pairs (_) / A8 = 3 ==>  0 pairs (_)
A8,B8: 3.. / A8 = 3 ==>  0 pairs (_) / B8 = 3 ==>  4 pairs (_)
G3,G5: 8.. / G3 = 8 ==>  1 pairs (_) / G5 = 8 ==>  2 pairs (_)
A5,G5: 8.. / A5 = 8 ==>  1 pairs (_) / G5 = 8 ==>  2 pairs (_)
G5,I6: 8.. / G5 = 8 ==>  2 pairs (_) / I6 = 8 ==>  1 pairs (_)
H8,H9: 5.. / H8 = 5 ==>  2 pairs (_) / H9 = 5 ==>  1 pairs (_)
E7,F9: 2.. / E7 = 2 ==>  1 pairs (_) / F9 = 2 ==>  2 pairs (_)
C6,C9: 8.. / C6 = 8 ==>  2 pairs (_) / C9 = 8 ==>  0 pairs (_)
F5,F6: 7.. / F5 = 7 ==>  3 pairs (_) / F6 = 7 ==>  0 pairs (_)
E1,I1: 3.. / E1 = 3 ==>  2 pairs (_) / I1 = 3 ==>  0 pairs (_)
D6,E6: 3.. / D6 = 3 ==>  2 pairs (_) / E6 = 3 ==>  0 pairs (_)
G4,H6: 2.. / G4 = 2 ==>  2 pairs (_) / H6 = 2 ==>  0 pairs (_)
E3,E8: 8.. / E3 = 8  =>  0 pairs (X) / E8 = 8  =>  0 pairs (_)
A8,E8: 8.. / A8 = 8  =>  0 pairs (X) / E8 = 8  =>  0 pairs (_)
E8,D9: 8.. / E8 = 8 ==>  0 pairs (_) / D9 = 8  =>  0 pairs (X)
* DURATION: 0:01:39.190433  START: 10:23:37.967652  END: 10:25:17.158085 2020-12-20
* REASONING A3,A8: 3..
* DIS # A3: 3 # D9: 5,8 => CTR => D9: 4,6,9
* CNT   1 HDP CHAINS /  11 HYP OPENED
* REASONING A8,B8: 3..
* DIS # B8: 3 # D9: 5,8 => CTR => D9: 4,6,9
* CNT   1 HDP CHAINS /  11 HYP OPENED
* REASONING F5,F6: 7..
* DIS # F5: 7 # G5: 4,6 => CTR => G5: 8,9
* CNT   1 HDP CHAINS /  21 HYP OPENED
* REASONING E3,E8: 8..
* DIS # E3: 8 => CTR => E3: 1,2,3,5
* STA E3: 1,2,3,5
* CNT   1 HDP CHAINS /   2 HYP OPENED
* REASONING A8,E8: 8..
* DIS # A8: 8 => CTR => A8: 3,5,7
* STA A8: 3,5,7
* CNT   1 HDP CHAINS /   2 HYP OPENED
* REASONING E8,D9: 8..
* DIS # D9: 8 => CTR => D9: 4,5,6,9
* STA D9: 4,5,6,9
* CNT   1 HDP CHAINS /   2 HYP OPENED
* DCP COUNT: (16)
* CLUE FOUND

Header Info

52180;12_10;GP;24;11.30;9.20;9.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for D2,I2: 8..:

* INC # I2: 8 # E1: 3,4 => UNS
* INC # I2: 8 # E1: 1,2,5 => UNS
* INC # I2: 8 # D6: 3,4 => UNS
* INC # I2: 8 # D6: 5,6,9 => UNS
* INC # I2: 8 # H2: 2,7 => UNS
* INC # I2: 8 # H2: 1,4 => UNS
* INC # I2: 8 # A3: 2,7 => UNS
* INC # I2: 8 # B3: 2,7 => UNS
* INC # I2: 8 # G4: 2,7 => UNS
* INC # I2: 8 # G4: 6,9 => UNS
* INC # I2: 8 # B4: 1,7 => UNS
* INC # I2: 8 # C4: 1,7 => UNS
* INC # I2: 8 # B5: 1,7 => UNS
* INC # I2: 8 # F5: 1,7 => UNS
* INC # I2: 8 # F5: 4,9 => UNS
* INC # I2: 8 # A3: 1,7 => UNS
* INC # I2: 8 # A7: 1,7 => UNS
* INC # I2: 8 => UNS
* INC # D2: 8 # E1: 3,5 => UNS
* INC # D2: 8 # E3: 3,5 => UNS
* INC # D2: 8 # A3: 3,5 => UNS
* INC # D2: 8 # B3: 3,5 => UNS
* INC # D2: 8 # D6: 3,5 => UNS
* INC # D2: 8 # D6: 4,6,9 => UNS
* INC # D2: 8 => UNS
* CNT  25 HDP CHAINS /  25 HYP OPENED

Full list of HDP chains traversed for A3,A8: 3..:

* INC # A3: 3 # E3: 5,8 => UNS
* INC # A3: 3 # E3: 1,2 => UNS
* DIS # A3: 3 # D9: 5,8 => CTR => D9: 4,6,9
* INC # A3: 3 + D9: 4,6,9 # A7: 5,7 => UNS
* INC # A3: 3 + D9: 4,6,9 # C7: 5,7 => UNS
* INC # A3: 3 + D9: 4,6,9 # H8: 5,7 => UNS
* INC # A3: 3 + D9: 4,6,9 # H8: 4 => UNS
* INC # A3: 3 + D9: 4,6,9 # A6: 5,7 => UNS
* INC # A3: 3 + D9: 4,6,9 # A6: 2,8 => UNS
* INC # A3: 3 + D9: 4,6,9 => UNS
* INC # A8: 3 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for A8,B8: 3..:

* INC # B8: 3 # E3: 5,8 => UNS
* INC # B8: 3 # E3: 1,2 => UNS
* DIS # B8: 3 # D9: 5,8 => CTR => D9: 4,6,9
* INC # B8: 3 + D9: 4,6,9 # A7: 5,7 => UNS
* INC # B8: 3 + D9: 4,6,9 # C7: 5,7 => UNS
* INC # B8: 3 + D9: 4,6,9 # H8: 5,7 => UNS
* INC # B8: 3 + D9: 4,6,9 # H8: 4 => UNS
* INC # B8: 3 + D9: 4,6,9 # A6: 5,7 => UNS
* INC # B8: 3 + D9: 4,6,9 # A6: 2,8 => UNS
* INC # B8: 3 + D9: 4,6,9 => UNS
* INC # A8: 3 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for G3,G5: 8..:

* INC # G5: 8 # H2: 2,7 => UNS
* INC # G5: 8 # H2: 1,4 => UNS
* INC # G5: 8 # A3: 2,7 => UNS
* INC # G5: 8 # B3: 2,7 => UNS
* INC # G5: 8 # G4: 2,7 => UNS
* INC # G5: 8 # G4: 6,9 => UNS
* INC # G5: 8 # B4: 1,7 => UNS
* INC # G5: 8 # C4: 1,7 => UNS
* INC # G5: 8 # B5: 1,7 => UNS
* INC # G5: 8 # F5: 1,7 => UNS
* INC # G5: 8 # F5: 4,9 => UNS
* INC # G5: 8 # A3: 1,7 => UNS
* INC # G5: 8 # A7: 1,7 => UNS
* INC # G5: 8 => UNS
* INC # G3: 8 # E1: 3,5 => UNS
* INC # G3: 8 # E3: 3,5 => UNS
* INC # G3: 8 # A3: 3,5 => UNS
* INC # G3: 8 # B3: 3,5 => UNS
* INC # G3: 8 # D6: 3,5 => UNS
* INC # G3: 8 # D6: 4,6,9 => UNS
* INC # G3: 8 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for A5,G5: 8..:

* INC # G5: 8 # H2: 2,7 => UNS
* INC # G5: 8 # H2: 1,4 => UNS
* INC # G5: 8 # A3: 2,7 => UNS
* INC # G5: 8 # B3: 2,7 => UNS
* INC # G5: 8 # G4: 2,7 => UNS
* INC # G5: 8 # G4: 6,9 => UNS
* INC # G5: 8 # B4: 1,7 => UNS
* INC # G5: 8 # C4: 1,7 => UNS
* INC # G5: 8 # B5: 1,7 => UNS
* INC # G5: 8 # F5: 1,7 => UNS
* INC # G5: 8 # F5: 4,9 => UNS
* INC # G5: 8 # A3: 1,7 => UNS
* INC # G5: 8 # A7: 1,7 => UNS
* INC # G5: 8 => UNS
* INC # A5: 8 # E1: 3,5 => UNS
* INC # A5: 8 # E3: 3,5 => UNS
* INC # A5: 8 # A3: 3,5 => UNS
* INC # A5: 8 # B3: 3,5 => UNS
* INC # A5: 8 # D6: 3,5 => UNS
* INC # A5: 8 # D6: 4,6,9 => UNS
* INC # A5: 8 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for G5,I6: 8..:

* INC # G5: 8 # H2: 2,7 => UNS
* INC # G5: 8 # H2: 1,4 => UNS
* INC # G5: 8 # A3: 2,7 => UNS
* INC # G5: 8 # B3: 2,7 => UNS
* INC # G5: 8 # G4: 2,7 => UNS
* INC # G5: 8 # G4: 6,9 => UNS
* INC # G5: 8 # B4: 1,7 => UNS
* INC # G5: 8 # C4: 1,7 => UNS
* INC # G5: 8 # B5: 1,7 => UNS
* INC # G5: 8 # F5: 1,7 => UNS
* INC # G5: 8 # F5: 4,9 => UNS
* INC # G5: 8 # A3: 1,7 => UNS
* INC # G5: 8 # A7: 1,7 => UNS
* INC # G5: 8 => UNS
* INC # I6: 8 # E1: 3,5 => UNS
* INC # I6: 8 # E3: 3,5 => UNS
* INC # I6: 8 # A3: 3,5 => UNS
* INC # I6: 8 # B3: 3,5 => UNS
* INC # I6: 8 # D6: 3,5 => UNS
* INC # I6: 8 # D6: 4,6,9 => UNS
* INC # I6: 8 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for H8,H9: 5..:

* INC # H8: 5 # D9: 4,8 => UNS
* INC # H8: 5 # D9: 5,6,9 => UNS
* INC # H8: 5 # D9: 4,9 => UNS
* INC # H8: 5 # F9: 4,9 => UNS
* INC # H8: 5 # G8: 4,9 => UNS
* INC # H8: 5 # G8: 7 => UNS
* INC # H8: 5 # F5: 4,9 => UNS
* INC # H8: 5 # F6: 4,9 => UNS
* INC # H8: 5 => UNS
* INC # H9: 5 # G8: 4,7 => UNS
* INC # H9: 5 # G8: 9 => UNS
* INC # H9: 5 # H2: 4,7 => UNS
* INC # H9: 5 # H5: 4,7 => UNS
* INC # H9: 5 # H6: 4,7 => UNS
* INC # H9: 5 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for E7,F9: 2..:

* INC # F9: 2 # E1: 1,4 => UNS
* INC # F9: 2 # F1: 1,4 => UNS
* INC # F9: 2 # H2: 1,4 => UNS
* INC # F9: 2 # I2: 1,4 => UNS
* INC # F9: 2 # F5: 1,4 => UNS
* INC # F9: 2 # F5: 7,9 => UNS
* INC # F9: 2 # D7: 5,6 => UNS
* INC # F9: 2 # D9: 5,6 => UNS
* INC # F9: 2 # E4: 5,6 => UNS
* INC # F9: 2 # E6: 5,6 => UNS
* INC # F9: 2 => UNS
* INC # E7: 2 # D6: 5,9 => UNS
* INC # E7: 2 # F6: 5,9 => UNS
* INC # E7: 2 # B4: 5,9 => UNS
* INC # E7: 2 # C4: 5,9 => UNS
* INC # E7: 2 # D7: 5,9 => UNS
* INC # E7: 2 # D9: 5,9 => UNS
* INC # E7: 2 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for C6,C9: 8..:

* INC # C6: 8 # H2: 2,7 => UNS
* INC # C6: 8 # H2: 1,4 => UNS
* INC # C6: 8 # A3: 2,7 => UNS
* INC # C6: 8 # B3: 2,7 => UNS
* INC # C6: 8 # G4: 2,7 => UNS
* INC # C6: 8 # G4: 6,9 => UNS
* INC # C6: 8 # B4: 1,7 => UNS
* INC # C6: 8 # C4: 1,7 => UNS
* INC # C6: 8 # B5: 1,7 => UNS
* INC # C6: 8 # F5: 1,7 => UNS
* INC # C6: 8 # F5: 4,9 => UNS
* INC # C6: 8 # A3: 1,7 => UNS
* INC # C6: 8 # A7: 1,7 => UNS
* INC # C6: 8 => UNS
* INC # C9: 8 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for F5,F6: 7..:

* INC # F5: 7 # A9: 1,8 => UNS
* INC # F5: 7 # A9: 2,5 => UNS
* DIS # F5: 7 # G5: 4,6 => CTR => G5: 8,9
* INC # F5: 7 + G5: 8,9 # H6: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # I6: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # E5: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # E5: 1 => UNS
* INC # F5: 7 + G5: 8,9 # H1: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # H9: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # A9: 1,8 => UNS
* INC # F5: 7 + G5: 8,9 # A9: 2,5 => UNS
* INC # F5: 7 + G5: 8,9 # I6: 8,9 => UNS
* INC # F5: 7 + G5: 8,9 # I6: 4,6,7 => UNS
* INC # F5: 7 + G5: 8,9 # H6: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # I6: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # E5: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # E5: 1 => UNS
* INC # F5: 7 + G5: 8,9 # H1: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 # H9: 4,6 => UNS
* INC # F5: 7 + G5: 8,9 => UNS
* INC # F6: 7 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for E1,I1: 3..:

* INC # E1: 3 # I2: 4,8 => UNS
* INC # E1: 3 # I2: 1,3,7 => UNS
* INC # E1: 3 # D9: 4,8 => UNS
* INC # E1: 3 # D9: 5,6,9 => UNS
* INC # E1: 3 # E3: 5,8 => UNS
* INC # E1: 3 # E3: 1,2 => UNS
* INC # E1: 3 # D9: 5,8 => UNS
* INC # E1: 3 # D9: 4,6,9 => UNS
* INC # E1: 3 => UNS
* INC # I1: 3 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for D6,E6: 3..:

* INC # D6: 3 # I2: 4,8 => UNS
* INC # D6: 3 # I2: 1,3,7 => UNS
* INC # D6: 3 # D9: 4,8 => UNS
* INC # D6: 3 # D9: 5,6,9 => UNS
* INC # D6: 3 # E3: 5,8 => UNS
* INC # D6: 3 # E3: 1,2,3 => UNS
* INC # D6: 3 # D9: 5,8 => UNS
* INC # D6: 3 # D9: 4,6,9 => UNS
* INC # D6: 3 => UNS
* INC # E6: 3 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for G4,H6: 2..:

* INC # G4: 2 # H1: 4,6 => UNS
* INC # G4: 2 # I1: 4,6 => UNS
* INC # G4: 2 # G5: 4,6 => UNS
* INC # G4: 2 # G5: 7,8,9 => UNS
* INC # G4: 2 # I2: 7,8 => UNS
* INC # G4: 2 # I3: 7,8 => UNS
* INC # G4: 2 # G5: 7,8 => UNS
* INC # G4: 2 # G5: 4,6,9 => UNS
* INC # G4: 2 => UNS
* INC # H6: 2 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for E3,E8: 8..:

* DIS # E3: 8 => CTR => E3: 1,2,3,5
* INC E3: 1,2,3,5 # E8: 8 => UNS
* STA E3: 1,2,3,5
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A8,E8: 8..:

* DIS # A8: 8 => CTR => A8: 3,5,7
* INC A8: 3,5,7 # E8: 8 => UNS
* STA A8: 3,5,7
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for E8,D9: 8..:

* INC # E8: 8 => UNS
* DIS # D9: 8 => CTR => D9: 4,5,6,9
* STA D9: 4,5,6,9
* CNT   2 HDP CHAINS /   2 HYP OPENED