Analysis of xx-ph-02316243-2019_01_13-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7..........5.9....4.....8...7...8.3...84...76.6.8..7...4.6..3.......2..1 initial

Autosolve

position: 98.7..6..7...8......5.9..874.....8...7...8.3...84...76.6.8..7...4.6..3.88....2.61 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

Time used: 0:00:00.000006

List of important HDP chains detected for F3,G3: 4..:

* DIS # G3: 4 # G2: 5,9 => CTR => G2: 1,2
* CNT   1 HDP CHAINS /  34 HYP OPENED

List of important HDP chains detected for A3,A5: 6..:

* DIS # A5: 6 # G2: 5,9 => CTR => G2: 1,2
* DIS # A5: 6 + G2: 1,2 # H2: 1,2 => CTR => H2: 5,9
* DIS # A5: 6 + G2: 1,2 + H2: 5,9 # D2: 1,2 => CTR => D2: 3,5
* DIS # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 # B2: 3 => CTR => B2: 1,2
* PRF # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 # H1: 5 => SOL
* STA # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 + H1: 5
* CNT   5 HDP CHAINS /  26 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....4.....8...7...8.3...84...76.6.8..7...4.6..3.......2..1 initial
98.7..6..7...8......5.9..874.....8...7...8.3...84...76.6.8..7...4.6..3.88....2.61 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
I1,I2: 3.. / I1 = 3  =>  0 pairs (_) / I2 = 3  =>  1 pairs (_)
C1,C2: 4.. / C1 = 4  =>  2 pairs (_) / C2 = 4  =>  0 pairs (_)
G5,I5: 4.. / G5 = 4  =>  2 pairs (_) / I5 = 4  =>  0 pairs (_)
F3,G3: 4.. / F3 = 4  =>  1 pairs (_) / G3 = 4  =>  3 pairs (_)
E9,G9: 4.. / E9 = 4  =>  1 pairs (_) / G9 = 4  =>  1 pairs (_)
C2,A3: 6.. / C2 = 6  =>  1 pairs (_) / A3 = 6  =>  0 pairs (_)
F2,F3: 6.. / F2 = 6  =>  0 pairs (_) / F3 = 6  =>  1 pairs (_)
E4,E5: 6.. / E4 = 6  =>  0 pairs (_) / E5 = 6  =>  0 pairs (_)
C2,F2: 6.. / C2 = 6  =>  1 pairs (_) / F2 = 6  =>  0 pairs (_)
A3,F3: 6.. / A3 = 6  =>  0 pairs (_) / F3 = 6  =>  1 pairs (_)
C4,E4: 6.. / C4 = 6  =>  0 pairs (_) / E4 = 6  =>  0 pairs (_)
A3,A5: 6.. / A3 = 6  =>  0 pairs (_) / A5 = 6  =>  1 pairs (_)
E4,F4: 7.. / E4 = 7  =>  1 pairs (_) / F4 = 7  =>  0 pairs (_)
C8,C9: 7.. / C8 = 7  =>  3 pairs (_) / C9 = 7  =>  0 pairs (_)
C9,E9: 7.. / C9 = 7  =>  0 pairs (_) / E9 = 7  =>  3 pairs (_)
F4,F8: 7.. / F4 = 7  =>  0 pairs (_) / F8 = 7  =>  1 pairs (_)
* DURATION: 0:00:12.038252  START: 19:57:44.909562  END: 19:57:56.947814 2020-11-06
* CP COUNT: (16)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
F3,G3: 4.. / F3 = 4 ==>  1 pairs (_) / G3 = 4 ==>  4 pairs (_)
C9,E9: 7.. / C9 = 7 ==>  0 pairs (_) / E9 = 7 ==>  3 pairs (_)
C8,C9: 7.. / C8 = 7 ==>  3 pairs (_) / C9 = 7 ==>  0 pairs (_)
G5,I5: 4.. / G5 = 4 ==>  2 pairs (_) / I5 = 4 ==>  0 pairs (_)
C1,C2: 4.. / C1 = 4 ==>  2 pairs (_) / C2 = 4 ==>  0 pairs (_)
E9,G9: 4.. / E9 = 4 ==>  1 pairs (_) / G9 = 4 ==>  1 pairs (_)
F4,F8: 7.. / F4 = 7 ==>  0 pairs (_) / F8 = 7 ==>  1 pairs (_)
E4,F4: 7.. / E4 = 7 ==>  1 pairs (_) / F4 = 7 ==>  0 pairs (_)
A3,A5: 6.. / A3 = 6  =>  0 pairs (X) / A5 = 6 ==>  0 pairs (*)
* DURATION: 0:01:32.275572  START: 19:57:56.948351  END: 19:59:29.223923 2020-11-06
* REASONING F3,G3: 4..
* DIS # G3: 4 # G2: 5,9 => CTR => G2: 1,2
* CNT   1 HDP CHAINS /  34 HYP OPENED
* REASONING A3,A5: 6..
* DIS # A5: 6 # G2: 5,9 => CTR => G2: 1,2
* DIS # A5: 6 + G2: 1,2 # H2: 1,2 => CTR => H2: 5,9
* DIS # A5: 6 + G2: 1,2 + H2: 5,9 # D2: 1,2 => CTR => D2: 3,5
* DIS # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 # B2: 3 => CTR => B2: 1,2
* PRF # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 # H1: 5 => SOL
* STA # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 + H1: 5
* CNT   5 HDP CHAINS /  26 HYP OPENED
* DCP COUNT: (9)
* SOLUTION FOUND

Header Info

2316243;2019_01_13;PAQ;24;11.40;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for F3,G3: 4..:

* INC # G3: 4 # I7: 5,9 => UNS
* INC # G3: 4 # H8: 5,9 => UNS
* INC # G3: 4 # B9: 5,9 => UNS
* INC # G3: 4 # D9: 5,9 => UNS
* DIS # G3: 4 # G2: 5,9 => CTR => G2: 1,2
* INC # G3: 4 + G2: 1,2 # G5: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # G6: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # I7: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # H8: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # B9: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # D9: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # G5: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # G6: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # H1: 1,2 => UNS
* INC # G3: 4 + G2: 1,2 # H2: 1,2 => UNS
* INC # G3: 4 + G2: 1,2 # B2: 1,2 => UNS
* INC # G3: 4 + G2: 1,2 # D2: 1,2 => UNS
* INC # G3: 4 + G2: 1,2 # G5: 1,2 => UNS
* INC # G3: 4 + G2: 1,2 # G6: 1,2 => UNS
* INC # G3: 4 + G2: 1,2 # I7: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # H8: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # B9: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # D9: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # G5: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 # G6: 5,9 => UNS
* INC # G3: 4 + G2: 1,2 => UNS
* INC # F3: 4 # H1: 1,2 => UNS
* INC # F3: 4 # G2: 1,2 => UNS
* INC # F3: 4 # H2: 1,2 => UNS
* INC # F3: 4 # B3: 1,2 => UNS
* INC # F3: 4 # D3: 1,2 => UNS
* INC # F3: 4 # G5: 1,2 => UNS
* INC # F3: 4 # G6: 1,2 => UNS
* INC # F3: 4 => UNS
* CNT  34 HDP CHAINS /  34 HYP OPENED

Full list of HDP chains traversed for C9,E9: 7..:

* INC # E9: 7 # H1: 1,2 => UNS
* INC # E9: 7 # G2: 1,2 => UNS
* INC # E9: 7 # H2: 1,2 => UNS
* INC # E9: 7 # B3: 1,2 => UNS
* INC # E9: 7 # D3: 1,2 => UNS
* INC # E9: 7 # G5: 1,2 => UNS
* INC # E9: 7 # G6: 1,2 => UNS
* INC # E9: 7 # C7: 3,9 => UNS
* INC # E9: 7 # B9: 3,9 => UNS
* INC # E9: 7 # D9: 3,9 => UNS
* INC # E9: 7 # D9: 5 => UNS
* INC # E9: 7 # C4: 3,9 => UNS
* INC # E9: 7 # C4: 1,2,6 => UNS
* INC # E9: 7 # F7: 1,5 => UNS
* INC # E9: 7 # F8: 1,5 => UNS
* INC # E9: 7 # A8: 1,5 => UNS
* INC # E9: 7 # A8: 2 => UNS
* INC # E9: 7 # E1: 1,5 => UNS
* INC # E9: 7 # E4: 1,5 => UNS
* INC # E9: 7 # E5: 1,5 => UNS
* INC # E9: 7 # E6: 1,5 => UNS
* INC # E9: 7 => UNS
* INC # C9: 7 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for C8,C9: 7..:

* INC # C8: 7 # H1: 1,2 => UNS
* INC # C8: 7 # G2: 1,2 => UNS
* INC # C8: 7 # H2: 1,2 => UNS
* INC # C8: 7 # B3: 1,2 => UNS
* INC # C8: 7 # D3: 1,2 => UNS
* INC # C8: 7 # G5: 1,2 => UNS
* INC # C8: 7 # G6: 1,2 => UNS
* INC # C8: 7 # C7: 3,9 => UNS
* INC # C8: 7 # B9: 3,9 => UNS
* INC # C8: 7 # D9: 3,9 => UNS
* INC # C8: 7 # D9: 5 => UNS
* INC # C8: 7 # C4: 3,9 => UNS
* INC # C8: 7 # C4: 1,2,6 => UNS
* INC # C8: 7 # F7: 1,5 => UNS
* INC # C8: 7 # F8: 1,5 => UNS
* INC # C8: 7 # A8: 1,5 => UNS
* INC # C8: 7 # A8: 2 => UNS
* INC # C8: 7 # E1: 1,5 => UNS
* INC # C8: 7 # E4: 1,5 => UNS
* INC # C8: 7 # E5: 1,5 => UNS
* INC # C8: 7 # E6: 1,5 => UNS
* INC # C8: 7 => UNS
* INC # C9: 7 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for G5,I5: 4..:

* INC # G5: 4 # H1: 1,2 => UNS
* INC # G5: 4 # G2: 1,2 => UNS
* INC # G5: 4 # H2: 1,2 => UNS
* INC # G5: 4 # B3: 1,2 => UNS
* INC # G5: 4 # D3: 1,2 => UNS
* INC # G5: 4 # G6: 1,2 => UNS
* INC # G5: 4 # G6: 5,9 => UNS
* INC # G5: 4 # H7: 5,9 => UNS
* INC # G5: 4 # I7: 5,9 => UNS
* INC # G5: 4 # H8: 5,9 => UNS
* INC # G5: 4 # B9: 5,9 => UNS
* INC # G5: 4 # D9: 5,9 => UNS
* INC # G5: 4 # G2: 5,9 => UNS
* INC # G5: 4 # G6: 5,9 => UNS
* INC # G5: 4 => UNS
* INC # I5: 4 => UNS
* CNT  16 HDP CHAINS /  16 HYP OPENED

Full list of HDP chains traversed for C1,C2: 4..:

* INC # C1: 4 => UNS
* INC # C2: 4 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for E9,G9: 4..:

* INC # E9: 4 # H7: 5,9 => UNS
* INC # E9: 4 # I7: 5,9 => UNS
* INC # E9: 4 # H8: 5,9 => UNS
* INC # E9: 4 # B9: 5,9 => UNS
* INC # E9: 4 # D9: 5,9 => UNS
* INC # E9: 4 # G2: 5,9 => UNS
* INC # E9: 4 # G5: 5,9 => UNS
* INC # E9: 4 # G6: 5,9 => UNS
* INC # E9: 4 => UNS
* INC # G9: 4 # H1: 1,2 => UNS
* INC # G9: 4 # G2: 1,2 => UNS
* INC # G9: 4 # H2: 1,2 => UNS
* INC # G9: 4 # B3: 1,2 => UNS
* INC # G9: 4 # D3: 1,2 => UNS
* INC # G9: 4 # G5: 1,2 => UNS
* INC # G9: 4 # G6: 1,2 => UNS
* INC # G9: 4 => UNS
* CNT  17 HDP CHAINS /  17 HYP OPENED

Full list of HDP chains traversed for F4,F8: 7..:

* INC # F8: 7 # E7: 1,5 => UNS
* INC # F8: 7 # F7: 1,5 => UNS
* INC # F8: 7 # A8: 1,5 => UNS
* INC # F8: 7 # A8: 2 => UNS
* INC # F8: 7 # E1: 1,5 => UNS
* INC # F8: 7 # E6: 1,5 => UNS
* INC # F8: 7 => UNS
* INC # F4: 7 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for E4,F4: 7..:

* INC # E4: 7 # E7: 1,5 => UNS
* INC # E4: 7 # F7: 1,5 => UNS
* INC # E4: 7 # A8: 1,5 => UNS
* INC # E4: 7 # A8: 2 => UNS
* INC # E4: 7 # E1: 1,5 => UNS
* INC # E4: 7 # E6: 1,5 => UNS
* INC # E4: 7 => UNS
* INC # F4: 7 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for A3,A5: 6..:

* INC # A5: 6 # I7: 5,9 => UNS
* INC # A5: 6 # H8: 5,9 => UNS
* INC # A5: 6 # B9: 5,9 => UNS
* INC # A5: 6 # D9: 5,9 => UNS
* DIS # A5: 6 # G2: 5,9 => CTR => G2: 1,2
* INC # A5: 6 + G2: 1,2 # G5: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # G6: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # I7: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # H8: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # B9: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # D9: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # G5: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # G6: 5,9 => UNS
* INC # A5: 6 + G2: 1,2 # H1: 1,2 => UNS
* DIS # A5: 6 + G2: 1,2 # H2: 1,2 => CTR => H2: 5,9
* INC # A5: 6 + G2: 1,2 + H2: 5,9 # H1: 1,2 => UNS
* INC # A5: 6 + G2: 1,2 + H2: 5,9 # H1: 5 => UNS
* INC # A5: 6 + G2: 1,2 + H2: 5,9 # B2: 1,2 => UNS
* DIS # A5: 6 + G2: 1,2 + H2: 5,9 # D2: 1,2 => CTR => D2: 3,5
* INC # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 # B2: 1,2 => UNS
* DIS # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 # B2: 3 => CTR => B2: 1,2
* INC # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 # G5: 1,2 => UNS
* INC # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 # G6: 1,2 => UNS
* INC # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 # H1: 1,2 => UNS
* PRF # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 # H1: 5 => SOL
* STA # A5: 6 + G2: 1,2 + H2: 5,9 + D2: 3,5 + B2: 1,2 + H1: 5
* CNT  25 HDP CHAINS /  26 HYP OPENED