Analysis of xx-ph-01054936-13_07-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7.5....9.........784.6....9..3...8......82.4.45.9...7.....5...6.....1... initial

Autosolve

position: 98.7..6..7.5....9.........784.6....9..3...86.....82.4.45.9...7.....5...6.....1... 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

Time used: 0:00:00.000007

List of important HDP chains detected for G4,G6: 7..:

* DIS # G4: 7 # F3: 3,5 => CTR => F3: 4,6,8,9
* DIS # G4: 7 + F3: 4,6,8,9 # F1: 4 => CTR => F1: 3,5
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 # D6: 1 => CTR => D6: 3,5
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 # B9: 2,3 => CTR => B9: 6,7,9
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 # G9: 2,3 => CTR => G9: 4,5,9
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # D3: 3,5 => CTR => D3: 1,2,8
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 + D3: 1,2,8 # B8: 7,9 => CTR => B8: 2,3
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 + D3: 1,2,8 + B8: 2,3 => CTR => G4: 1,2,3,5
* STA G4: 1,2,3,5
* CNT   8 HDP CHAINS /  52 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....9.........784.6....9..3...8......82.4.45.9...7.....5...6.....1... initial
98.7..6..7.5....9.........784.6....9..3...86.....82.4.45.9...7.....5...6.....1... autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
C1,C3: 4.. / C1 = 4  =>  1 pairs (_) / C3 = 4  =>  1 pairs (_)
A5,A6: 5.. / A5 = 5  =>  3 pairs (_) / A6 = 5  =>  5 pairs (_)
G4,G6: 7.. / G4 = 7  => 12 pairs (_) / G6 = 7  =>  0 pairs (_)
F8,E9: 7.. / F8 = 7  =>  1 pairs (_) / E9 = 7  =>  1 pairs (_)
I2,H3: 8.. / I2 = 8  =>  0 pairs (_) / H3 = 8  =>  0 pairs (_)
E3,F3: 9.. / E3 = 9  =>  0 pairs (_) / F3 = 9  =>  0 pairs (_)
B6,C6: 9.. / B6 = 9  =>  0 pairs (_) / C6 = 9  =>  0 pairs (_)
E5,F5: 9.. / E5 = 9  =>  0 pairs (_) / F5 = 9  =>  0 pairs (_)
G8,G9: 9.. / G8 = 9  =>  0 pairs (_) / G9 = 9  =>  0 pairs (_)
E3,E5: 9.. / E3 = 9  =>  0 pairs (_) / E5 = 9  =>  0 pairs (_)
F3,F5: 9.. / F3 = 9  =>  0 pairs (_) / F5 = 9  =>  0 pairs (_)
* DURATION: 0:00:07.538083  START: 01:28:58.355851  END: 01:29:05.893934 2021-01-12
* CP COUNT: (11)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
G4,G6: 7.. / G4 = 7 ==>  0 pairs (X) / G6 = 7  =>  0 pairs (_)
A5,A6: 5.. / A5 = 5 ==>  3 pairs (_) / A6 = 5 ==>  5 pairs (_)
F8,E9: 7.. / F8 = 7 ==>  1 pairs (_) / E9 = 7 ==>  1 pairs (_)
C1,C3: 4.. / C1 = 4 ==>  1 pairs (_) / C3 = 4 ==>  1 pairs (_)
F3,F5: 9.. / F3 = 9 ==>  0 pairs (_) / F5 = 9 ==>  0 pairs (_)
E3,E5: 9.. / E3 = 9 ==>  0 pairs (_) / E5 = 9 ==>  0 pairs (_)
G8,G9: 9.. / G8 = 9 ==>  0 pairs (_) / G9 = 9 ==>  0 pairs (_)
E5,F5: 9.. / E5 = 9 ==>  0 pairs (_) / F5 = 9 ==>  0 pairs (_)
B6,C6: 9.. / B6 = 9 ==>  0 pairs (_) / C6 = 9 ==>  0 pairs (_)
E3,F3: 9.. / E3 = 9 ==>  0 pairs (_) / F3 = 9 ==>  0 pairs (_)
I2,H3: 8.. / I2 = 8 ==>  0 pairs (_) / H3 = 8 ==>  0 pairs (_)
* DURATION: 0:01:19.869141  START: 01:29:05.894563  END: 01:30:25.763704 2021-01-12
* REASONING G4,G6: 7..
* DIS # G4: 7 # F3: 3,5 => CTR => F3: 4,6,8,9
* DIS # G4: 7 + F3: 4,6,8,9 # F1: 4 => CTR => F1: 3,5
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 # D6: 1 => CTR => D6: 3,5
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 # B9: 2,3 => CTR => B9: 6,7,9
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 # G9: 2,3 => CTR => G9: 4,5,9
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # D3: 3,5 => CTR => D3: 1,2,8
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 + D3: 1,2,8 # B8: 7,9 => CTR => B8: 2,3
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 + D3: 1,2,8 + B8: 2,3 => CTR => G4: 1,2,3,5
* STA G4: 1,2,3,5
* CNT   8 HDP CHAINS /  52 HYP OPENED
* DCP COUNT: (11)
* CLUE FOUND

Header Info

1054936;13_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 G4,G6: 7..:

* INC # G4: 7 # H4: 1,2 => UNS
* INC # G4: 7 # H4: 3,5 => UNS
* INC # G4: 7 # C1: 1,2 => UNS
* INC # G4: 7 # C3: 1,2 => UNS
* INC # G4: 7 # C7: 1,2 => UNS
* INC # G4: 7 # C8: 1,2 => UNS
* INC # G4: 7 # B2: 1,2 => UNS
* INC # G4: 7 # B3: 1,2 => UNS
* INC # G4: 7 # B8: 1,2 => UNS
* INC # G4: 7 # B8: 7,9 => UNS
* INC # G4: 7 # B9: 7,9 => UNS
* INC # G4: 7 # C8: 7,9 => UNS
* INC # G4: 7 # C9: 7,9 => UNS
* INC # G4: 7 # D6: 1,3 => UNS
* INC # G4: 7 # D6: 5 => UNS
* INC # G4: 7 # H4: 1,3 => UNS
* INC # G4: 7 # H4: 2,5 => UNS
* INC # G4: 7 # E1: 1,3 => UNS
* INC # G4: 7 # E2: 1,3 => UNS
* INC # G4: 7 # E3: 1,3 => UNS
* INC # G4: 7 # D6: 3,5 => UNS
* INC # G4: 7 # D6: 1 => UNS
* INC # G4: 7 # H4: 3,5 => UNS
* INC # G4: 7 # H4: 1,2 => UNS
* INC # G4: 7 # F1: 3,5 => UNS
* DIS # G4: 7 # F3: 3,5 => CTR => F3: 4,6,8,9
* INC # G4: 7 + F3: 4,6,8,9 # F1: 3,5 => UNS
* DIS # G4: 7 + F3: 4,6,8,9 # F1: 4 => CTR => F1: 3,5
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 # D6: 3,5 => UNS
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 # D6: 1 => CTR => D6: 3,5
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 # A8: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 # B8: 2,3 => UNS
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 # B9: 2,3 => CTR => B9: 6,7,9
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 # D9: 2,3 => UNS
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 # G9: 2,3 => CTR => G9: 4,5,9
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # H9: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # A3: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # A3: 1 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # A8: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # B8: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # D9: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # H9: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # A3: 2,3 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # A3: 1 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # C3: 1,4 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # C3: 6 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # I1: 1,4 => UNS
* INC # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # I1: 3,5 => UNS
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 # D3: 3,5 => CTR => D3: 1,2,8
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 + D3: 1,2,8 # B8: 7,9 => CTR => B8: 2,3
* DIS # G4: 7 + F3: 4,6,8,9 + F1: 3,5 + D6: 3,5 + B9: 6,7,9 + G9: 4,5,9 + D3: 1,2,8 + B8: 2,3 => CTR => G4: 1,2,3,5
* INC G4: 1,2,3,5 # G6: 7 => UNS
* STA G4: 1,2,3,5
* CNT  52 HDP CHAINS /  52 HYP OPENED

Full list of HDP chains traversed for A5,A6: 5..:

* INC # A6: 5 # C4: 1,2 => UNS
* INC # A6: 5 # B5: 1,2 => UNS
* INC # A6: 5 # I5: 1,2 => UNS
* INC # A6: 5 # I5: 5 => UNS
* INC # A6: 5 # A3: 1,2 => UNS
* INC # A6: 5 # A8: 1,2 => UNS
* INC # A6: 5 # B9: 6,9 => UNS
* INC # A6: 5 # B9: 2,3,7 => UNS
* INC # A6: 5 # C9: 6,9 => UNS
* INC # A6: 5 # C9: 2,7,8 => UNS
* INC # A6: 5 # E4: 1,3 => UNS
* INC # A6: 5 # E4: 7 => UNS
* INC # A6: 5 # D2: 1,3 => UNS
* INC # A6: 5 # D3: 1,3 => UNS
* INC # A6: 5 # G4: 1,3 => UNS
* INC # A6: 5 # H4: 1,3 => UNS
* INC # A6: 5 # I1: 1,3 => UNS
* INC # A6: 5 # I2: 1,3 => UNS
* INC # A6: 5 # I7: 1,3 => UNS
* INC # A6: 5 => UNS
* INC # A5: 5 # B6: 1,6 => UNS
* INC # A5: 5 # C6: 1,6 => UNS
* INC # A5: 5 # A3: 1,6 => UNS
* INC # A5: 5 # A3: 2,3 => UNS
* INC # A5: 5 # E5: 1,4 => UNS
* INC # A5: 5 # E5: 7,9 => UNS
* INC # A5: 5 # D2: 1,4 => UNS
* INC # A5: 5 # D3: 1,4 => UNS
* INC # A5: 5 # G4: 1,2 => UNS
* INC # A5: 5 # H4: 1,2 => UNS
* INC # A5: 5 # B5: 1,2 => UNS
* INC # A5: 5 # B5: 7 => UNS
* INC # A5: 5 # I1: 1,2 => UNS
* INC # A5: 5 # I2: 1,2 => UNS
* INC # A5: 5 # I7: 1,2 => UNS
* INC # A5: 5 => UNS
* CNT  36 HDP CHAINS /  36 HYP OPENED

Full list of HDP chains traversed for F8,E9: 7..:

* INC # F8: 7 # D6: 3,5 => UNS
* INC # F8: 7 # D6: 1 => UNS
* INC # F8: 7 # G4: 3,5 => UNS
* INC # F8: 7 # H4: 3,5 => UNS
* INC # F8: 7 # F1: 3,5 => UNS
* INC # F8: 7 # F3: 3,5 => UNS
* INC # F8: 7 => UNS
* INC # E9: 7 # D6: 1,3 => UNS
* INC # E9: 7 # D6: 5 => UNS
* INC # E9: 7 # G4: 1,3 => UNS
* INC # E9: 7 # H4: 1,3 => UNS
* INC # E9: 7 # E1: 1,3 => UNS
* INC # E9: 7 # E2: 1,3 => UNS
* INC # E9: 7 # E3: 1,3 => UNS
* INC # E9: 7 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for C1,C3: 4..:

* INC # C1: 4 # D3: 3,5 => UNS
* INC # C1: 4 # F3: 3,5 => UNS
* INC # C1: 4 # H1: 3,5 => UNS
* INC # C1: 4 # I1: 3,5 => UNS
* INC # C1: 4 # F4: 3,5 => UNS
* INC # C1: 4 # F4: 7 => UNS
* INC # C1: 4 => UNS
* INC # C3: 4 # B2: 1,2 => UNS
* INC # C3: 4 # A3: 1,2 => UNS
* INC # C3: 4 # B3: 1,2 => UNS
* INC # C3: 4 # E1: 1,2 => UNS
* INC # C3: 4 # H1: 1,2 => UNS
* INC # C3: 4 # I1: 1,2 => UNS
* INC # C3: 4 # C4: 1,2 => UNS
* INC # C3: 4 # C7: 1,2 => UNS
* INC # C3: 4 # C8: 1,2 => UNS
* INC # C3: 4 => UNS
* CNT  17 HDP CHAINS /  17 HYP OPENED

Full list of HDP chains traversed for F3,F5: 9..:

* INC # F3: 9 => UNS
* INC # F5: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for E3,E5: 9..:

* INC # E3: 9 => UNS
* INC # E5: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for G8,G9: 9..:

* INC # G8: 9 => UNS
* INC # G9: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for E5,F5: 9..:

* INC # E5: 9 => UNS
* INC # F5: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for B6,C6: 9..:

* INC # B6: 9 => UNS
* INC # C6: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for E3,F3: 9..:

* INC # E3: 9 => UNS
* INC # F3: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for I2,H3: 8..:

* INC # I2: 8 => UNS
* INC # H3: 8 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED