Analysis of xx-ph-02487793-2019_08_05_a-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7.....5....4.6..874...9..7...6..3......6..2...4..8..69..91....5......... initial

Autosolve

position: 98.7..6..76....5....4.6..874...9..76..6..3......6..2...4..8..69..91....5......... 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

Time used: 0:00:00.000007

List of important HDP chains detected for A8,G8: 8..:

* DIS # G8: 8 # G9: 1,3 => CTR => G9: 4,7
* CNT   1 HDP CHAINS /  23 HYP OPENED

List of important HDP chains detected for B5,E5: 7..:

* DIS # B5: 7 # A9: 2,3 => CTR => A9: 1,5,6,8
* CNT   1 HDP CHAINS /  30 HYP OPENED

List of important HDP chains detected for A9,F9: 6..:

* DIS # F9: 6 # G7: 1,3 => CTR => G7: 7
* DIS # F9: 6 + G7: 7 # G9: 1,3 => CTR => G9: 4
* DIS # F9: 6 + G7: 7 + G9: 4 # E8: 2,3 => CTR => E8: 4,7
* DIS # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 # B8: 7 => CTR => B8: 2,3
* PRF # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # A9: 2,3 => SOL
* STA # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 + A9: 2,3
* CNT   5 HDP CHAINS /  62 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....4.6..874...9..7...6..3......6..2...4..8..69..91....5......... initial
98.7..6..76....5....4.6..874...9..76..6..3......6..2...4..8..69..91....5......... autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
H5,H6: 5.. / H5 = 5  =>  0 pairs (_) / H6 = 5  =>  0 pairs (_)
A8,A9: 6.. / A8 = 6  =>  1 pairs (_) / A9 = 6  =>  0 pairs (_)
F8,F9: 6.. / F8 = 6  =>  0 pairs (_) / F9 = 6  =>  1 pairs (_)
A8,F8: 6.. / A8 = 6  =>  1 pairs (_) / F8 = 6  =>  0 pairs (_)
A9,F9: 6.. / A9 = 6  =>  0 pairs (_) / F9 = 6  =>  1 pairs (_)
B5,E5: 7.. / B5 = 7  =>  1 pairs (_) / E5 = 7  =>  0 pairs (_)
D2,F2: 8.. / D2 = 8  =>  1 pairs (_) / F2 = 8  =>  0 pairs (_)
A8,G8: 8.. / A8 = 8  =>  0 pairs (_) / G8 = 8  =>  1 pairs (_)
H2,G3: 9.. / H2 = 9  =>  2 pairs (_) / G3 = 9  =>  4 pairs (_)
B5,B6: 9.. / B5 = 9  =>  2 pairs (_) / B6 = 9  =>  0 pairs (_)
D9,F9: 9.. / D9 = 9  =>  0 pairs (_) / F9 = 9  =>  0 pairs (_)
B6,H6: 9.. / B6 = 9  =>  0 pairs (_) / H6 = 9  =>  2 pairs (_)
G3,G5: 9.. / G3 = 9  =>  4 pairs (_) / G5 = 9  =>  2 pairs (_)
* DURATION: 0:00:08.863099  START: 18:41:54.709734  END: 18:42:03.572833 2020-09-25
* CP COUNT: (13)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
G3,G5: 9.. / G3 = 9 ==>  4 pairs (_) / G5 = 9 ==>  2 pairs (_)
H2,G3: 9.. / H2 = 9 ==>  2 pairs (_) / G3 = 9 ==>  4 pairs (_)
B6,H6: 9.. / B6 = 9 ==>  0 pairs (_) / H6 = 9 ==>  2 pairs (_)
B5,B6: 9.. / B5 = 9 ==>  2 pairs (_) / B6 = 9 ==>  0 pairs (_)
A8,G8: 8.. / A8 = 8 ==>  0 pairs (_) / G8 = 8 ==>  2 pairs (_)
D2,F2: 8.. / D2 = 8 ==>  1 pairs (_) / F2 = 8 ==>  0 pairs (_)
B5,E5: 7.. / B5 = 7 ==>  1 pairs (_) / E5 = 7 ==>  0 pairs (_)
A9,F9: 6.. / A9 = 6  =>  0 pairs (X) / F9 = 6 ==>  0 pairs (*)
* DURATION: 0:01:28.798831  START: 18:42:03.573780  END: 18:43:32.372611 2020-09-25
* REASONING A8,G8: 8..
* DIS # G8: 8 # G9: 1,3 => CTR => G9: 4,7
* CNT   1 HDP CHAINS /  23 HYP OPENED
* REASONING B5,E5: 7..
* DIS # B5: 7 # A9: 2,3 => CTR => A9: 1,5,6,8
* CNT   1 HDP CHAINS /  30 HYP OPENED
* REASONING A9,F9: 6..
* DIS # F9: 6 # G7: 1,3 => CTR => G7: 7
* DIS # F9: 6 + G7: 7 # G9: 1,3 => CTR => G9: 4
* DIS # F9: 6 + G7: 7 + G9: 4 # E8: 2,3 => CTR => E8: 4,7
* DIS # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 # B8: 7 => CTR => B8: 2,3
* PRF # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # A9: 2,3 => SOL
* STA # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 + A9: 2,3
* CNT   5 HDP CHAINS /  62 HYP OPENED
* DCP COUNT: (8)
* SOLUTION FOUND

Header Info

2487793;2019_08_05_a;PAQ;24;11.60;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for G3,G5: 9..:

* INC # G3: 9 # B5: 5,9 => UNS
* INC # G3: 9 # B5: 1,2,7 => UNS
* INC # G3: 9 # B6: 5,9 => UNS
* INC # G3: 9 # B6: 1,3,7 => UNS
* INC # G3: 9 => UNS
* INC # G5: 9 # H1: 1,3 => UNS
* INC # G5: 9 # I1: 1,3 => UNS
* INC # G5: 9 # I2: 1,3 => UNS
* INC # G5: 9 # A3: 1,3 => UNS
* INC # G5: 9 # B3: 1,3 => UNS
* INC # G5: 9 # G4: 1,3 => UNS
* INC # G5: 9 # G7: 1,3 => UNS
* INC # G5: 9 # G9: 1,3 => UNS
* INC # G5: 9 # H9: 2,3 => UNS
* INC # G5: 9 # I9: 2,3 => UNS
* INC # G5: 9 # A8: 2,3 => UNS
* INC # G5: 9 # B8: 2,3 => UNS
* INC # G5: 9 # E8: 2,3 => UNS
* INC # G5: 9 # H1: 2,3 => UNS
* INC # G5: 9 # H1: 1,4 => UNS
* INC # G5: 9 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for H2,G3: 9..:

* INC # G3: 9 # B5: 5,9 => UNS
* INC # G3: 9 # B5: 1,2,7 => UNS
* INC # G3: 9 # B6: 5,9 => UNS
* INC # G3: 9 # B6: 1,3,7 => UNS
* INC # G3: 9 => UNS
* INC # H2: 9 # H1: 1,3 => UNS
* INC # H2: 9 # I1: 1,3 => UNS
* INC # H2: 9 # I2: 1,3 => UNS
* INC # H2: 9 # A3: 1,3 => UNS
* INC # H2: 9 # B3: 1,3 => UNS
* INC # H2: 9 # G4: 1,3 => UNS
* INC # H2: 9 # G7: 1,3 => UNS
* INC # H2: 9 # G9: 1,3 => UNS
* INC # H2: 9 # H9: 2,3 => UNS
* INC # H2: 9 # I9: 2,3 => UNS
* INC # H2: 9 # A8: 2,3 => UNS
* INC # H2: 9 # B8: 2,3 => UNS
* INC # H2: 9 # E8: 2,3 => UNS
* INC # H2: 9 # H1: 2,3 => UNS
* INC # H2: 9 # H1: 1,4 => UNS
* INC # H2: 9 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for B6,H6: 9..:

* INC # H6: 9 => UNS
* INC # B6: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for B5,B6: 9..:

* INC # B5: 9 => UNS
* INC # B6: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A8,G8: 8..:

* INC # G8: 8 # H6: 1,3 => UNS
* INC # G8: 8 # I6: 1,3 => UNS
* INC # G8: 8 # B4: 1,3 => UNS
* INC # G8: 8 # C4: 1,3 => UNS
* INC # G8: 8 # G3: 1,3 => UNS
* INC # G8: 8 # G7: 1,3 => UNS
* DIS # G8: 8 # G9: 1,3 => CTR => G9: 4,7
* INC # G8: 8 + G9: 4,7 # H6: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # I6: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # B4: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # C4: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # G3: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # G7: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # H6: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # I6: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # B4: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # C4: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # G3: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # G7: 1,3 => UNS
* INC # G8: 8 + G9: 4,7 # E9: 4,7 => UNS
* INC # G8: 8 + G9: 4,7 # F9: 4,7 => UNS
* INC # G8: 8 + G9: 4,7 => UNS
* INC # A8: 8 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for D2,F2: 8..:

* INC # D2: 8 # F4: 2,5 => UNS
* INC # D2: 8 # D5: 2,5 => UNS
* INC # D2: 8 # E5: 2,5 => UNS
* INC # D2: 8 # B4: 2,5 => UNS
* INC # D2: 8 # C4: 2,5 => UNS
* INC # D2: 8 # D3: 2,5 => UNS
* INC # D2: 8 # D7: 2,5 => UNS
* INC # D2: 8 # D9: 2,5 => UNS
* INC # D2: 8 => UNS
* INC # F2: 8 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for B5,E5: 7..:

* INC # B5: 7 # A7: 2,3 => UNS
* INC # B5: 7 # C7: 2,3 => UNS
* INC # B5: 7 # A8: 2,3 => UNS
* DIS # B5: 7 # A9: 2,3 => CTR => A9: 1,5,6,8
* INC # B5: 7 + A9: 1,5,6,8 # B9: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # C9: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # E8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # H8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B3: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B4: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # A7: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # C7: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # A8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B9: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # C9: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # E8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # H8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B3: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B4: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # A7: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # C7: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # A8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B9: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # C9: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # E8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # H8: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B3: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 # B4: 2,3 => UNS
* INC # B5: 7 + A9: 1,5,6,8 => UNS
* INC # E5: 7 => UNS
* CNT  30 HDP CHAINS /  30 HYP OPENED

Full list of HDP chains traversed for A9,F9: 6..:

* INC # F9: 6 # H6: 1,3 => UNS
* INC # F9: 6 # I6: 1,3 => UNS
* INC # F9: 6 # B4: 1,3 => UNS
* INC # F9: 6 # C4: 1,3 => UNS
* INC # F9: 6 # G3: 1,3 => UNS
* DIS # F9: 6 # G7: 1,3 => CTR => G7: 7
* DIS # F9: 6 + G7: 7 # G9: 1,3 => CTR => G9: 4
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # H6: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # I6: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # B4: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # C4: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # H6: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # I6: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # B4: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # C4: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # H5: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # H6: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # B5: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # B5: 2,5,7 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # G3: 3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # D7: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # E9: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # A7: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # C7: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # F1: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # F3: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # F4: 2,5 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # H9: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # I9: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 # B8: 2,3 => UNS
* DIS # F9: 6 + G7: 7 + G9: 4 # E8: 2,3 => CTR => E8: 4,7
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 # B8: 2,3 => UNS
* DIS # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 # B8: 7 => CTR => B8: 2,3
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H1: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H2: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H9: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # I9: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H1: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H2: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H6: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # I6: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # B4: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # C4: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # G3: 1,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # G3: 9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H5: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # H6: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # B5: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # B5: 2,5,7 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # G3: 1,9 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # G3: 3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # A7: 2,3 => UNS
* INC # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # C7: 2,3 => UNS
* PRF # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 # A9: 2,3 => SOL
* STA # F9: 6 + G7: 7 + G9: 4 + E8: 4,7 + B8: 2,3 + A9: 2,3
* CNT  61 HDP CHAINS /  62 HYP OPENED