Analysis of xx-ph-00035698-12_05-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.76....7..5..6...5.....8.6..4..9....3.2..5......6..15...7..6.....4.7.........95 initial

Autosolve

position: 98.76.5..7..5..6.9.56....876..4..9....3.2..56.....6..15...7..6.....457.........95 autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

See Appendix: Full HDP Chains for full list of HDP chains.

Pair Reduction

Pair Reduction

See Appendix: Full HDP Chains for full list of HDP chains.

Deep Pair Reduction

Deep Pair Reduction

Time used: 0:01:08.121743

The following important HDP chains were detected:

* DIS # A5: 1 # C4: 2,7 => CTR => C4: 5,8
* CNT   1 HDP CHAINS / 103 HYP OPENED

See Appendix: Full HDP Chains for full list of HDP chains.

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000015

List of important HDP chains detected for I1,I7: 4..:

* PRF # I1: 4 # C4: 1,2 => SOL
* STA # I1: 4 + C4: 1,2
* CNT   1 HDP CHAINS /   7 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

98.76....7..5..6...5.....8.6..4..9....3.2..5......6..15...7..6.....4.7.........95 initial
98.76.5..7..5..6.9.56....876..4..9....3.2..56.....6..15...7..6.....457.........95 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* PAIRS (1)
G5: 4,8

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
B2,A3: 3.. / B2 = 3  =>  2 pairs (_) / A3 = 3  =>  2 pairs (_)
I1,I7: 4.. / I1 = 4  =>  7 pairs (_) / I7 = 4  =>  2 pairs (_)
C4,C6: 5.. / C4 = 5  =>  1 pairs (_) / C6 = 5  =>  1 pairs (_)
E4,E6: 5.. / E4 = 5  =>  1 pairs (_) / E6 = 5  =>  1 pairs (_)
C4,E4: 5.. / C4 = 5  =>  1 pairs (_) / E4 = 5  =>  1 pairs (_)
C6,E6: 5.. / C6 = 5  =>  1 pairs (_) / E6 = 5  =>  1 pairs (_)
B8,B9: 6.. / B8 = 6  =>  1 pairs (_) / B9 = 6  =>  1 pairs (_)
D8,D9: 6.. / D8 = 6  =>  1 pairs (_) / D9 = 6  =>  1 pairs (_)
B8,D8: 6.. / B8 = 6  =>  1 pairs (_) / D8 = 6  =>  1 pairs (_)
B9,D9: 6.. / B9 = 6  =>  1 pairs (_) / D9 = 6  =>  1 pairs (_)
F4,F5: 7.. / F4 = 7  =>  5 pairs (_) / F5 = 7  =>  1 pairs (_)
H4,H6: 7.. / H4 = 7  =>  2 pairs (_) / H6 = 7  =>  3 pairs (_)
B9,C9: 7.. / B9 = 7  =>  4 pairs (_) / C9 = 7  =>  1 pairs (_)
B5,F5: 7.. / B5 = 7  =>  5 pairs (_) / F5 = 7  =>  1 pairs (_)
E2,F2: 8.. / E2 = 8  =>  2 pairs (_) / F2 = 8  =>  2 pairs (_)
E3,E6: 9.. / E3 = 9  =>  1 pairs (_) / E6 = 9  =>  4 pairs (_)
* DURATION: 0:00:18.163837  START: 10:28:57.141125  END: 10:29:15.304962 2020-12-16
* CP COUNT: (16)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
I1,I7: 4.. / I1 = 4 ==>  0 pairs (*) / I7 = 4  =>  0 pairs (X)
* DURATION: 0:00:23.662755  START: 10:30:30.772470  END: 10:30:54.435225 2020-12-16
* REASONING I1,I7: 4..
* PRF # I1: 4 # C4: 1,2 => SOL
* STA # I1: 4 + C4: 1,2
* CNT   1 HDP CHAINS /   7 HYP OPENED
* DCP COUNT: (1)
* SOLUTION FOUND

Header Info

35698;12_05;GP;24;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Pair Reduction Analysis

Full list of HDP chains traversed:

* INC # G6: 4,8 => UNS
* INC # G6: 2,3 => UNS
* INC # A5: 4,8 => UNS
* INC # A5: 1 => UNS
* INC # G7: 4,8 => UNS
* INC # G9: 4,8 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* INC # G6: 4,8 => UNS
* INC # G6: 2,3 => UNS
* INC # A5: 4,8 => UNS
* INC # A5: 1 => UNS
* INC # G7: 4,8 => UNS
* INC # G9: 4,8 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

A3. Deep Pair Reduction

Full list of HDP chains traversed:

* INC # G6: 4,8 => UNS
* INC # G6: 2,3 => UNS
* INC # A5: 4,8 => UNS
* INC # A5: 1 => UNS
* INC # G7: 4,8 => UNS
* INC # G9: 4,8 => UNS
* INC # G6: 4,8 # H1: 2,3 => UNS
* INC # G6: 4,8 # H2: 2,3 => UNS
* INC # G6: 4,8 # G3: 2,3 => UNS
* INC # G6: 4,8 # F1: 2,3 => UNS
* INC # G6: 4,8 # F1: 1,4 => UNS
* INC # G6: 4,8 # H4: 2,3 => UNS
* INC # G6: 4,8 # H6: 2,3 => UNS
* INC # G6: 4,8 # A5: 4,8 => UNS
* INC # G6: 4,8 # A5: 1 => UNS
* INC # G6: 4,8 # A6: 4,8 => UNS
* INC # G6: 4,8 # C6: 4,8 => UNS
* INC # G6: 4,8 => UNS
* INC # G6: 2,3 # A5: 4,8 => UNS
* INC # G6: 2,3 # A5: 1 => UNS
* INC # G6: 2,3 # G7: 4,8 => UNS
* INC # G6: 2,3 # G9: 4,8 => UNS
* INC # G6: 2,3 # H4: 2,3 => UNS
* INC # G6: 2,3 # I4: 2,3 => UNS
* INC # G6: 2,3 # H6: 2,3 => UNS
* INC # G6: 2,3 # G3: 2,3 => UNS
* INC # G6: 2,3 # G7: 2,3 => UNS
* INC # G6: 2,3 # G9: 2,3 => UNS
* INC # G6: 2,3 => UNS
* INC # A5: 4,8 # A6: 4,8 => UNS
* INC # A5: 4,8 # C6: 4,8 => UNS
* INC # A5: 4,8 # A9: 4,8 => UNS
* INC # A5: 4,8 # A9: 1,2,3 => UNS
* INC # A5: 4,8 # F5: 1,9 => UNS
* INC # A5: 4,8 # F5: 7 => UNS
* INC # A5: 4,8 # B5: 1,9 => UNS
* INC # A5: 4,8 # B5: 7 => UNS
* INC # A5: 4,8 # D3: 1,9 => UNS
* INC # A5: 4,8 # D7: 1,9 => UNS
* INC # A5: 4,8 # D8: 1,9 => UNS
* INC # A5: 4,8 # G6: 4,8 => UNS
* INC # A5: 4,8 # G6: 2,3 => UNS
* INC # A5: 4,8 # G7: 4,8 => UNS
* INC # A5: 4,8 # G9: 4,8 => UNS
* INC # A5: 4,8 => UNS
* DIS # A5: 1 # C4: 2,7 => CTR => C4: 5,8
* INC # A5: 1 + C4: 5,8 # B6: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # C6: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # H4: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # H4: 3 => UNS
* INC # A5: 1 + C4: 5,8 # B9: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # B9: 1,3,4,6 => UNS
* INC # A5: 1 + C4: 5,8 # F5: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # D6: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # E6: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # D7: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # D8: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # G6: 4,8 => UNS
* INC # A5: 1 + C4: 5,8 # G6: 2,3 => UNS
* INC # A5: 1 + C4: 5,8 # G7: 4,8 => UNS
* INC # A5: 1 + C4: 5,8 # G9: 4,8 => UNS
* INC # A5: 1 + C4: 5,8 # B6: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # C6: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # H4: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # H4: 3 => UNS
* INC # A5: 1 + C4: 5,8 # B9: 2,7 => UNS
* INC # A5: 1 + C4: 5,8 # B9: 1,3,4,6 => UNS
* INC # A5: 1 + C4: 5,8 # C6: 5,8 => UNS
* INC # A5: 1 + C4: 5,8 # C6: 2,4,7,9 => UNS
* INC # A5: 1 + C4: 5,8 # E4: 5,8 => UNS
* INC # A5: 1 + C4: 5,8 # E4: 1,3 => UNS
* INC # A5: 1 + C4: 5,8 # F5: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # D6: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # E6: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # D7: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # D8: 8,9 => UNS
* INC # A5: 1 + C4: 5,8 # G6: 4,8 => UNS
* INC # A5: 1 + C4: 5,8 # G6: 2,3 => UNS
* INC # A5: 1 + C4: 5,8 # G7: 4,8 => UNS
* INC # A5: 1 + C4: 5,8 # G9: 4,8 => UNS
* INC # A5: 1 + C4: 5,8 => UNS
* INC # G7: 4,8 # A5: 4,8 => UNS
* INC # G7: 4,8 # A5: 1 => UNS
* INC # G7: 4,8 # H4: 2,3 => UNS
* INC # G7: 4,8 # I4: 2,3 => UNS
* INC # G7: 4,8 # H6: 2,3 => UNS
* INC # G7: 4,8 # G3: 2,3 => UNS
* INC # G7: 4,8 # G9: 2,3 => UNS
* INC # G7: 4,8 # I7: 4,8 => UNS
* INC # G7: 4,8 # I7: 2,3 => UNS
* INC # G7: 4,8 => UNS
* INC # G9: 4,8 # A5: 4,8 => UNS
* INC # G9: 4,8 # A5: 1 => UNS
* INC # G9: 4,8 # H4: 2,3 => UNS
* INC # G9: 4,8 # I4: 2,3 => UNS
* INC # G9: 4,8 # H6: 2,3 => UNS
* INC # G9: 4,8 # G3: 2,3 => UNS
* INC # G9: 4,8 # G7: 2,3 => UNS
* INC # G9: 4,8 # I7: 4,8 => UNS
* INC # G9: 4,8 # I7: 2,3 => UNS
* INC # G9: 4,8 # A9: 4,8 => UNS
* INC # G9: 4,8 # C9: 4,8 => UNS
* INC # G9: 4,8 => UNS
* CNT 103 HDP CHAINS / 103 HYP OPENED

A4. Deep Constraint Pair Analysis

Full list of HDP chains traversed for I1,I7: 4..:

* INC # I1: 4 # B2: 1,2 => UNS
* INC # I1: 4 # C2: 1,2 => UNS
* INC # I1: 4 # A3: 1,2 => UNS
* INC # I1: 4 # F1: 1,2 => UNS
* INC # I1: 4 # H1: 1,2 => UNS
* PRF # I1: 4 # C4: 1,2 => SOL
* STA # I1: 4 + C4: 1,2
* CNT   6 HDP CHAINS /   7 HYP OPENED