Analysis of xx-ph-01091377-13_09-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7..6..5......84...6..5..9...9..3..6.........21......5..7.1...9..69.7.1.. initial

Autosolve

position: 98.7..6..7..6..5....6.84...6..5..9...9..3..65........21......5..7.1...9..69.7.1.. 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

Time used: 0:00:00.000010

List of important HDP chains detected for E1,E8: 5..:

* DIS # E8: 5 # H3: 2,3 => CTR => H3: 1,7
* DIS # E8: 5 + H3: 1,7 # F2: 1,2 => CTR => F2: 3,9
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 # E2: 9 => CTR => E2: 1,2
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 # H2: 3,4 => CTR => H2: 2,8
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 # I2: 3,4 => CTR => I2: 8,9
* PRF # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 # H1: 2 => SOL
* STA # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 + H1: 2
* CNT   6 HDP CHAINS /  27 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..6..5......84...6..5..9...9..3..6.........21......5..7.1...9..69.7.1.. initial
98.7..6..7..6..5....6.84...6..5..9...9..3..65........21......5..7.1...9..69.7.1.. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
C5,F5: 1.. / C5 = 1  =>  0 pairs (_) / F5 = 1  =>  1 pairs (_)
A3,B3: 5.. / A3 = 5  =>  0 pairs (_) / B3 = 5  =>  2 pairs (_)
E1,F1: 5.. / E1 = 5  =>  0 pairs (_) / F1 = 5  =>  3 pairs (_)
A9,F9: 5.. / A9 = 5  =>  2 pairs (_) / F9 = 5  =>  0 pairs (_)
B3,B6: 5.. / B3 = 5  =>  2 pairs (_) / B6 = 5  =>  0 pairs (_)
C6,C8: 5.. / C6 = 5  =>  2 pairs (_) / C8 = 5  =>  0 pairs (_)
E1,E8: 5.. / E1 = 5  =>  0 pairs (_) / E8 = 5  =>  3 pairs (_)
E6,F6: 6.. / E6 = 6  =>  0 pairs (_) / F6 = 6  =>  0 pairs (_)
I7,I8: 6.. / I7 = 6  =>  4 pairs (_) / I8 = 6  =>  0 pairs (_)
G7,I7: 7.. / G7 = 7  =>  4 pairs (_) / I7 = 7  =>  0 pairs (_)
H2,I2: 8.. / H2 = 8  =>  0 pairs (_) / I2 = 8  =>  2 pairs (_)
I2,I3: 9.. / I2 = 9  =>  4 pairs (_) / I3 = 9  =>  1 pairs (_)
D3,I3: 9.. / D3 = 9  =>  4 pairs (_) / I3 = 9  =>  1 pairs (_)
* DURATION: 0:00:10.138368  START: 19:38:12.137156  END: 19:38:22.275524 2020-10-22
* CP COUNT: (13)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
D3,I3: 9.. / D3 = 9 ==>  4 pairs (_) / I3 = 9 ==>  1 pairs (_)
I2,I3: 9.. / I2 = 9 ==>  4 pairs (_) / I3 = 9 ==>  1 pairs (_)
G7,I7: 7.. / G7 = 7 ==>  4 pairs (_) / I7 = 7 ==>  0 pairs (_)
I7,I8: 6.. / I7 = 6 ==>  4 pairs (_) / I8 = 6 ==>  0 pairs (_)
E1,E8: 5.. / E1 = 5  =>  0 pairs (X) / E8 = 5 ==>  0 pairs (*)
* DURATION: 0:01:24.809671  START: 19:38:22.276251  END: 19:39:47.085922 2020-10-22
* REASONING E1,E8: 5..
* DIS # E8: 5 # H3: 2,3 => CTR => H3: 1,7
* DIS # E8: 5 + H3: 1,7 # F2: 1,2 => CTR => F2: 3,9
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 # E2: 9 => CTR => E2: 1,2
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 # H2: 3,4 => CTR => H2: 2,8
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 # I2: 3,4 => CTR => I2: 8,9
* PRF # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 # H1: 2 => SOL
* STA # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 + H1: 2
* CNT   6 HDP CHAINS /  27 HYP OPENED
* DCP COUNT: (5)
* SOLUTION FOUND

Header Info

1091377;13_09;GP;25;11.40;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for D3,I3: 9..:

* INC # D3: 9 # E1: 1,2 => UNS
* INC # D3: 9 # F1: 1,2 => UNS
* INC # D3: 9 # F2: 1,2 => UNS
* INC # D3: 9 # B2: 1,2 => UNS
* INC # D3: 9 # C2: 1,2 => UNS
* INC # D3: 9 # E4: 1,2 => UNS
* INC # D3: 9 # E4: 4 => UNS
* INC # D3: 9 # D5: 4,8 => UNS
* INC # D3: 9 # D5: 2 => UNS
* INC # D3: 9 # A6: 4,8 => UNS
* INC # D3: 9 # C6: 4,8 => UNS
* INC # D3: 9 # G6: 4,8 => UNS
* INC # D3: 9 # D7: 4,8 => UNS
* INC # D3: 9 # D9: 4,8 => UNS
* INC # D3: 9 # E7: 6,9 => UNS
* INC # D3: 9 # E7: 2,4 => UNS
* INC # D3: 9 # F7: 6,9 => UNS
* INC # D3: 9 # F7: 2,8 => UNS
* INC # D3: 9 => UNS
* INC # I3: 9 # F1: 2,3 => UNS
* INC # I3: 9 # F2: 2,3 => UNS
* INC # I3: 9 # A3: 2,3 => UNS
* INC # I3: 9 # B3: 2,3 => UNS
* INC # I3: 9 # G3: 2,3 => UNS
* INC # I3: 9 # H3: 2,3 => UNS
* INC # I3: 9 # D7: 2,3 => UNS
* INC # I3: 9 # D9: 2,3 => UNS
* INC # I3: 9 => UNS
* CNT  28 HDP CHAINS /  28 HYP OPENED

Full list of HDP chains traversed for I2,I3: 9..:

* INC # I2: 9 # E1: 1,2 => UNS
* INC # I2: 9 # F1: 1,2 => UNS
* INC # I2: 9 # F2: 1,2 => UNS
* INC # I2: 9 # B2: 1,2 => UNS
* INC # I2: 9 # C2: 1,2 => UNS
* INC # I2: 9 # E4: 1,2 => UNS
* INC # I2: 9 # E4: 4 => UNS
* INC # I2: 9 # D5: 4,8 => UNS
* INC # I2: 9 # D5: 2 => UNS
* INC # I2: 9 # A6: 4,8 => UNS
* INC # I2: 9 # C6: 4,8 => UNS
* INC # I2: 9 # G6: 4,8 => UNS
* INC # I2: 9 # D7: 4,8 => UNS
* INC # I2: 9 # D9: 4,8 => UNS
* INC # I2: 9 # E7: 6,9 => UNS
* INC # I2: 9 # E7: 2,4 => UNS
* INC # I2: 9 # F7: 6,9 => UNS
* INC # I2: 9 # F7: 2,8 => UNS
* INC # I2: 9 => UNS
* INC # I3: 9 # F1: 2,3 => UNS
* INC # I3: 9 # F2: 2,3 => UNS
* INC # I3: 9 # A3: 2,3 => UNS
* INC # I3: 9 # B3: 2,3 => UNS
* INC # I3: 9 # G3: 2,3 => UNS
* INC # I3: 9 # H3: 2,3 => UNS
* INC # I3: 9 # D7: 2,3 => UNS
* INC # I3: 9 # D9: 2,3 => UNS
* INC # I3: 9 => UNS
* CNT  28 HDP CHAINS /  28 HYP OPENED

Full list of HDP chains traversed for G7,I7: 7..:

* INC # G7: 7 # H1: 2,3 => UNS
* INC # G7: 7 # H2: 2,3 => UNS
* INC # G7: 7 # H3: 2,3 => UNS
* INC # G7: 7 # A3: 2,3 => UNS
* INC # G7: 7 # B3: 2,3 => UNS
* INC # G7: 7 # D3: 2,3 => UNS
* INC # G7: 7 # G8: 2,3 => UNS
* INC # G7: 7 # G8: 4,8 => UNS
* INC # G7: 7 # C4: 1,7 => UNS
* INC # G7: 7 # C6: 1,7 => UNS
* INC # G7: 7 # F4: 1,7 => UNS
* INC # G7: 7 # F6: 1,7 => UNS
* INC # G7: 7 # H4: 4,8 => UNS
* INC # G7: 7 # I4: 4,8 => UNS
* INC # G7: 7 # G6: 4,8 => UNS
* INC # G7: 7 # H6: 4,8 => UNS
* INC # G7: 7 # A5: 4,8 => UNS
* INC # G7: 7 # D5: 4,8 => UNS
* INC # G7: 7 # G8: 4,8 => UNS
* INC # G7: 7 # G8: 2,3 => UNS
* INC # G7: 7 => UNS
* INC # I7: 7 => UNS
* CNT  22 HDP CHAINS /  22 HYP OPENED

Full list of HDP chains traversed for I7,I8: 6..:

* INC # I7: 6 # H1: 2,3 => UNS
* INC # I7: 6 # H2: 2,3 => UNS
* INC # I7: 6 # H3: 2,3 => UNS
* INC # I7: 6 # A3: 2,3 => UNS
* INC # I7: 6 # B3: 2,3 => UNS
* INC # I7: 6 # D3: 2,3 => UNS
* INC # I7: 6 # G8: 2,3 => UNS
* INC # I7: 6 # G8: 4,8 => UNS
* INC # I7: 6 # C4: 1,7 => UNS
* INC # I7: 6 # C6: 1,7 => UNS
* INC # I7: 6 # F4: 1,7 => UNS
* INC # I7: 6 # F6: 1,7 => UNS
* INC # I7: 6 # H4: 4,8 => UNS
* INC # I7: 6 # I4: 4,8 => UNS
* INC # I7: 6 # G6: 4,8 => UNS
* INC # I7: 6 # H6: 4,8 => UNS
* INC # I7: 6 # A5: 4,8 => UNS
* INC # I7: 6 # D5: 4,8 => UNS
* INC # I7: 6 # G8: 4,8 => UNS
* INC # I7: 6 # G8: 2,3 => UNS
* INC # I7: 6 => UNS
* INC # I8: 6 => UNS
* CNT  22 HDP CHAINS /  22 HYP OPENED

Full list of HDP chains traversed for E1,E8: 5..:

* INC # E8: 5 # C1: 2,3 => UNS
* INC # E8: 5 # B2: 2,3 => UNS
* INC # E8: 5 # C2: 2,3 => UNS
* INC # E8: 5 # D3: 2,3 => UNS
* INC # E8: 5 # G3: 2,3 => UNS
* DIS # E8: 5 # H3: 2,3 => CTR => H3: 1,7
* INC # E8: 5 + H3: 1,7 # A8: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # A8: 4,8 => UNS
* INC # E8: 5 + H3: 1,7 # C1: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # B2: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # C2: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # D3: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # G3: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # A8: 2,3 => UNS
* INC # E8: 5 + H3: 1,7 # A8: 4,8 => UNS
* INC # E8: 5 + H3: 1,7 # E2: 1,2 => UNS
* DIS # E8: 5 + H3: 1,7 # F2: 1,2 => CTR => F2: 3,9
* INC # E8: 5 + H3: 1,7 + F2: 3,9 # E2: 1,2 => UNS
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 # E2: 9 => CTR => E2: 1,2
* INC # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 # C1: 1,2 => UNS
* INC # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 # C1: 3,4 => UNS
* INC # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 # H1: 3,4 => UNS
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 # H2: 3,4 => CTR => H2: 2,8
* DIS # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 # I2: 3,4 => CTR => I2: 8,9
* INC # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 # H1: 3,4 => UNS
* PRF # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 # H1: 2 => SOL
* STA # E8: 5 + H3: 1,7 + F2: 3,9 + E2: 1,2 + H2: 2,8 + I2: 8,9 + H1: 2
* CNT  26 HDP CHAINS /  27 HYP OPENED