Analysis of xx-ph-00432823-12_12_03-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: ........1.....2.3...3.4.5....4....6..3..5...475....3....587.6....7.6.4..8....9... initial

Autosolve

position: .......41.....2.3...3.4.5....4....65.3..5...475....3....587.6....7.6.4..8....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

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 F1,F8: 5..:

* DIS # F1: 5 # G1: 8,9 => CTR => G1: 2
* DIS # F1: 5 + G1: 2 # G5: 1 => CTR => G5: 8,9
* DIS # F1: 5 + G1: 2 + G5: 8,9 # D3: 6,7 => CTR => D3: 9
* DIS # F1: 5 + G1: 2 + G5: 8,9 + D3: 9 => CTR => F1: 3,6,7,8
* STA F1: 3,6,7,8
* CNT   4 HDP CHAINS /   6 HYP OPENED

List of important HDP chains detected for A2,D2: 5..:

* DIS # A2: 5 # F4: 1,3 => CTR => F4: 7,8
* CNT   1 HDP CHAINS /  19 HYP OPENED

List of important HDP chains detected for A1,A2: 5..:

* DIS # A2: 5 # F4: 1,3 => CTR => F4: 7,8
* CNT   1 HDP CHAINS /  19 HYP OPENED

List of important HDP chains detected for D9,H9: 5..:

* DIS # D9: 5 => CTR => D9: 1,2,3,4
* STA D9: 1,2,3,4
* CNT   1 HDP CHAINS /   2 HYP OPENED

List of important HDP chains detected for H8,H9: 5..:

* DIS # H8: 5 => CTR => H8: 1,2,8,9
* STA H8: 1,2,8,9
* 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

........1.....2.3...3.4.5....4....6..3..5...475....3....587.6....7.6.4..8....9... initial
.......41.....2.3...3.4.5....4....65.3..5...475....3....587.6....7.6.4..8....9... autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
A7,A8: 3.. / A7 = 3  =>  2 pairs (_) / A8 = 3  =>  1 pairs (_)
A2,B2: 4.. / A2 = 4  =>  0 pairs (_) / B2 = 4  =>  2 pairs (_)
D6,F6: 4.. / D6 = 4  =>  0 pairs (_) / F6 = 4  =>  1 pairs (_)
F7,D9: 4.. / F7 = 4  =>  0 pairs (_) / D9 = 4  =>  1 pairs (_)
B9,D9: 4.. / B9 = 4  =>  0 pairs (_) / D9 = 4  =>  1 pairs (_)
A2,A7: 4.. / A2 = 4  =>  0 pairs (_) / A7 = 4  =>  2 pairs (_)
D6,D9: 4.. / D6 = 4  =>  0 pairs (_) / D9 = 4  =>  1 pairs (_)
F6,F7: 4.. / F6 = 4  =>  1 pairs (_) / F7 = 4  =>  0 pairs (_)
A1,A2: 5.. / A1 = 5  =>  0 pairs (_) / A2 = 5  =>  2 pairs (_)
H8,H9: 5.. / H8 = 5  =>  0 pairs (X) / H9 = 5  =>  0 pairs (_)
A2,D2: 5.. / A2 = 5  =>  2 pairs (_) / D2 = 5  =>  0 pairs (_)
D9,H9: 5.. / D9 = 5  =>  0 pairs (X) / H9 = 5  =>  0 pairs (_)
F1,F8: 5.. / F1 = 5  => 11 pairs (_) / F8 = 5  =>  0 pairs (_)
I2,I3: 6.. / I2 = 6  =>  0 pairs (_) / I3 = 6  =>  0 pairs (_)
B9,C9: 6.. / B9 = 6  =>  2 pairs (_) / C9 = 6  =>  2 pairs (_)
H8,I8: 8.. / H8 = 8  =>  0 pairs (_) / I8 = 8  =>  1 pairs (_)
* DURATION: 0:00:14.985727  START: 20:47:04.590946  END: 20:47:19.576673 2020-12-26
* CP COUNT: (16)
* CLUE FOUND

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
F1,F8: 5.. / F1 = 5 ==>  0 pairs (X) / F8 = 5  =>  0 pairs (_)
B9,C9: 6.. / B9 = 6 ==>  2 pairs (_) / C9 = 6 ==>  2 pairs (_)
A7,A8: 3.. / A7 = 3 ==>  2 pairs (_) / A8 = 3 ==>  1 pairs (_)
A2,D2: 5.. / A2 = 5 ==>  3 pairs (_) / D2 = 5 ==>  0 pairs (_)
A1,A2: 5.. / A1 = 5 ==>  0 pairs (_) / A2 = 5 ==>  3 pairs (_)
A2,A7: 4.. / A2 = 4 ==>  0 pairs (_) / A7 = 4 ==>  2 pairs (_)
A2,B2: 4.. / A2 = 4 ==>  0 pairs (_) / B2 = 4 ==>  2 pairs (_)
H8,I8: 8.. / H8 = 8 ==>  0 pairs (_) / I8 = 8 ==>  1 pairs (_)
F6,F7: 4.. / F6 = 4 ==>  1 pairs (_) / F7 = 4 ==>  0 pairs (_)
D6,D9: 4.. / D6 = 4 ==>  0 pairs (_) / D9 = 4 ==>  1 pairs (_)
B9,D9: 4.. / B9 = 4 ==>  0 pairs (_) / D9 = 4 ==>  1 pairs (_)
F7,D9: 4.. / F7 = 4 ==>  0 pairs (_) / D9 = 4 ==>  1 pairs (_)
D6,F6: 4.. / D6 = 4 ==>  0 pairs (_) / F6 = 4 ==>  1 pairs (_)
I2,I3: 6.. / I2 = 6 ==>  0 pairs (_) / I3 = 6 ==>  0 pairs (_)
D9,H9: 5.. / D9 = 5  =>  0 pairs (X) / H9 = 5  =>  0 pairs (_)
H8,H9: 5.. / H8 = 5  =>  0 pairs (X) / H9 = 5  =>  0 pairs (_)
* DURATION: 0:01:52.362713  START: 20:47:19.577418  END: 20:49:11.940131 2020-12-26
* REASONING F1,F8: 5..
* DIS # F1: 5 # G1: 8,9 => CTR => G1: 2
* DIS # F1: 5 + G1: 2 # G5: 1 => CTR => G5: 8,9
* DIS # F1: 5 + G1: 2 + G5: 8,9 # D3: 6,7 => CTR => D3: 9
* DIS # F1: 5 + G1: 2 + G5: 8,9 + D3: 9 => CTR => F1: 3,6,7,8
* STA F1: 3,6,7,8
* CNT   4 HDP CHAINS /   6 HYP OPENED
* REASONING A2,D2: 5..
* DIS # A2: 5 # F4: 1,3 => CTR => F4: 7,8
* CNT   1 HDP CHAINS /  19 HYP OPENED
* REASONING A1,A2: 5..
* DIS # A2: 5 # F4: 1,3 => CTR => F4: 7,8
* CNT   1 HDP CHAINS /  19 HYP OPENED
* REASONING D9,H9: 5..
* DIS # D9: 5 => CTR => D9: 1,2,3,4
* STA D9: 1,2,3,4
* CNT   1 HDP CHAINS /   2 HYP OPENED
* REASONING H8,H9: 5..
* DIS # H8: 5 => CTR => H8: 1,2,8,9
* STA H8: 1,2,8,9
* CNT   1 HDP CHAINS /   2 HYP OPENED
* DCP COUNT: (16)
* CLUE FOUND

Header Info

432823;12_12_03;dob;23;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for F1,F8: 5..:

* DIS # F1: 5 # G1: 8,9 => CTR => G1: 2
* INC # F1: 5 + G1: 2 # G5: 8,9 => UNS
* DIS # F1: 5 + G1: 2 # G5: 1 => CTR => G5: 8,9
* DIS # F1: 5 + G1: 2 + G5: 8,9 # D3: 6,7 => CTR => D3: 9
* DIS # F1: 5 + G1: 2 + G5: 8,9 + D3: 9 => CTR => F1: 3,6,7,8
* INC F1: 3,6,7,8 # F8: 5 => UNS
* STA F1: 3,6,7,8
* CNT   6 HDP CHAINS /   6 HYP OPENED

Full list of HDP chains traversed for B9,C9: 6..:

* INC # B9: 6 # A7: 1,2 => UNS
* INC # B9: 6 # B7: 1,2 => UNS
* INC # B9: 6 # A8: 1,2 => UNS
* INC # B9: 6 # B8: 1,2 => UNS
* INC # B9: 6 # E9: 1,2 => UNS
* INC # B9: 6 # G9: 1,2 => UNS
* INC # B9: 6 # C5: 1,2 => UNS
* INC # B9: 6 # C6: 1,2 => UNS
* INC # B9: 6 # D8: 1,3 => UNS
* INC # B9: 6 # F8: 1,3 => UNS
* INC # B9: 6 # E9: 1,3 => UNS
* INC # B9: 6 # A7: 1,3 => UNS
* INC # B9: 6 # A7: 2,4,9 => UNS
* INC # B9: 6 # F4: 1,3 => UNS
* INC # B9: 6 # F4: 7,8 => UNS
* INC # B9: 6 => UNS
* INC # C9: 6 => UNS
* CNT  17 HDP CHAINS /  17 HYP OPENED

Full list of HDP chains traversed for A7,A8: 3..:

* INC # A7: 3 # D9: 1,4 => UNS
* INC # A7: 3 # D9: 2,3 => UNS
* INC # A7: 3 # B7: 1,4 => UNS
* INC # A7: 3 # B7: 2,9 => UNS
* INC # A7: 3 # F6: 1,4 => UNS
* INC # A7: 3 # F6: 6,8 => UNS
* INC # A7: 3 # H7: 2,9 => UNS
* INC # A7: 3 # H8: 2,9 => UNS
* INC # A7: 3 # I8: 2,9 => UNS
* INC # A7: 3 # B7: 2,9 => UNS
* INC # A7: 3 # B7: 1,4 => UNS
* INC # A7: 3 # I3: 2,9 => UNS
* INC # A7: 3 # I6: 2,9 => UNS
* INC # A7: 3 => UNS
* INC # A8: 3 # D8: 1,5 => UNS
* INC # A8: 3 # D9: 1,5 => UNS
* INC # A8: 3 # H8: 1,5 => UNS
* INC # A8: 3 # H8: 2,8,9 => UNS
* INC # A8: 3 => UNS
* CNT  19 HDP CHAINS /  19 HYP OPENED

Full list of HDP chains traversed for A2,D2: 5..:

* INC # A2: 5 # E9: 1,3 => UNS
* INC # A2: 5 # E9: 2 => UNS
* DIS # A2: 5 # F4: 1,3 => CTR => F4: 7,8
* INC # A2: 5 + F4: 7,8 # E9: 1,3 => UNS
* INC # A2: 5 + F4: 7,8 # E9: 2 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 1,5 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 2 => UNS
* INC # A2: 5 + F4: 7,8 # F5: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # F5: 1,6 => UNS
* INC # A2: 5 + F4: 7,8 # G4: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # G4: 1,2,9 => UNS
* INC # A2: 5 + F4: 7,8 # F1: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # F3: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # E9: 1,3 => UNS
* INC # A2: 5 + F4: 7,8 # E9: 2 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 1,5 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 2 => UNS
* INC # A2: 5 + F4: 7,8 => UNS
* INC # D2: 5 => UNS
* CNT  19 HDP CHAINS /  19 HYP OPENED

Full list of HDP chains traversed for A1,A2: 5..:

* INC # A2: 5 # E9: 1,3 => UNS
* INC # A2: 5 # E9: 2 => UNS
* DIS # A2: 5 # F4: 1,3 => CTR => F4: 7,8
* INC # A2: 5 + F4: 7,8 # E9: 1,3 => UNS
* INC # A2: 5 + F4: 7,8 # E9: 2 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 1,5 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 2 => UNS
* INC # A2: 5 + F4: 7,8 # F5: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # F5: 1,6 => UNS
* INC # A2: 5 + F4: 7,8 # G4: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # G4: 1,2,9 => UNS
* INC # A2: 5 + F4: 7,8 # F1: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # F3: 7,8 => UNS
* INC # A2: 5 + F4: 7,8 # E9: 1,3 => UNS
* INC # A2: 5 + F4: 7,8 # E9: 2 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 1,5 => UNS
* INC # A2: 5 + F4: 7,8 # D8: 2 => UNS
* INC # A2: 5 + F4: 7,8 => UNS
* INC # A1: 5 => UNS
* CNT  19 HDP CHAINS /  19 HYP OPENED

Full list of HDP chains traversed for A2,A7: 4..:

* INC # A7: 4 # E9: 1,3 => UNS
* INC # A7: 4 # E9: 2 => UNS
* INC # A7: 4 # F4: 1,3 => UNS
* INC # A7: 4 # F4: 7,8 => UNS
* INC # A7: 4 # D8: 1,5 => UNS
* INC # A7: 4 # D8: 2 => UNS
* INC # A7: 4 => UNS
* INC # A2: 4 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for A2,B2: 4..:

* INC # B2: 4 # E9: 1,3 => UNS
* INC # B2: 4 # E9: 2 => UNS
* INC # B2: 4 # F4: 1,3 => UNS
* INC # B2: 4 # F4: 7,8 => UNS
* INC # B2: 4 # D8: 1,5 => UNS
* INC # B2: 4 # D8: 2 => UNS
* INC # B2: 4 => UNS
* INC # A2: 4 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for H8,I8: 8..:

* INC # I8: 8 # G4: 2,9 => UNS
* INC # I8: 8 # G5: 2,9 => UNS
* INC # I8: 8 # H5: 2,9 => UNS
* INC # I8: 8 # H6: 2,9 => UNS
* INC # I8: 8 # C6: 2,9 => UNS
* INC # I8: 8 # D6: 2,9 => UNS
* INC # I8: 8 # E6: 2,9 => UNS
* INC # I8: 8 # I3: 2,9 => UNS
* INC # I8: 8 # I7: 2,9 => UNS
* INC # I8: 8 => UNS
* INC # H8: 8 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for F6,F7: 4..:

* INC # F6: 4 # D8: 1,3 => UNS
* INC # F6: 4 # F8: 1,3 => UNS
* INC # F6: 4 # E9: 1,3 => UNS
* INC # F6: 4 # A7: 1,3 => UNS
* INC # F6: 4 # A7: 2,4,9 => UNS
* INC # F6: 4 # F4: 1,3 => UNS
* INC # F6: 4 # F4: 7,8 => UNS
* INC # F6: 4 => UNS
* INC # F7: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for D6,D9: 4..:

* INC # D9: 4 # D8: 1,3 => UNS
* INC # D9: 4 # F8: 1,3 => UNS
* INC # D9: 4 # E9: 1,3 => UNS
* INC # D9: 4 # A7: 1,3 => UNS
* INC # D9: 4 # A7: 2,4,9 => UNS
* INC # D9: 4 # F4: 1,3 => UNS
* INC # D9: 4 # F4: 7,8 => UNS
* INC # D9: 4 => UNS
* INC # D6: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for B9,D9: 4..:

* INC # D9: 4 # D8: 1,3 => UNS
* INC # D9: 4 # F8: 1,3 => UNS
* INC # D9: 4 # E9: 1,3 => UNS
* INC # D9: 4 # A7: 1,3 => UNS
* INC # D9: 4 # A7: 2,4,9 => UNS
* INC # D9: 4 # F4: 1,3 => UNS
* INC # D9: 4 # F4: 7,8 => UNS
* INC # D9: 4 => UNS
* INC # B9: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for F7,D9: 4..:

* INC # D9: 4 # D8: 1,3 => UNS
* INC # D9: 4 # F8: 1,3 => UNS
* INC # D9: 4 # E9: 1,3 => UNS
* INC # D9: 4 # A7: 1,3 => UNS
* INC # D9: 4 # A7: 2,4,9 => UNS
* INC # D9: 4 # F4: 1,3 => UNS
* INC # D9: 4 # F4: 7,8 => UNS
* INC # D9: 4 => UNS
* INC # F7: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for D6,F6: 4..:

* INC # F6: 4 # D8: 1,3 => UNS
* INC # F6: 4 # F8: 1,3 => UNS
* INC # F6: 4 # E9: 1,3 => UNS
* INC # F6: 4 # A7: 1,3 => UNS
* INC # F6: 4 # A7: 2,4,9 => UNS
* INC # F6: 4 # F4: 1,3 => UNS
* INC # F6: 4 # F4: 7,8 => UNS
* INC # F6: 4 => UNS
* INC # D6: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for I2,I3: 6..:

* INC # I2: 6 => UNS
* INC # I3: 6 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for D9,H9: 5..:

* DIS # D9: 5 => CTR => D9: 1,2,3,4
* INC D9: 1,2,3,4 # H9: 5 => UNS
* STA D9: 1,2,3,4
* CNT   2 HDP CHAINS /   2 HYP OPENED

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

* DIS # H8: 5 => CTR => H8: 1,2,8,9
* INC H8: 1,2,8,9 # H9: 5 => UNS
* STA H8: 1,2,8,9
* CNT   2 HDP CHAINS /   2 HYP OPENED