Analysis of xx-ph-02487407-2019_08_05_a-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6....7.96.5..........86..4.7....3.........8.....6....84..4...7...2..14....7 initial

Autosolve

position: 98.7..6....7.96.5...6.8..7.86..4.7....3.........8.....67...84..4.8.7...2..14....7 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

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,F3: 4..:

* DIS # F1: 4 # G2: 1,3 => CTR => G2: 2,8
* DIS # F1: 4 + G2: 2,8 # I2: 1,3 => CTR => I2: 4,8
* DIS # F1: 4 + G2: 2,8 + I2: 4,8 # I3: 1,3 => CTR => I3: 4,9
* CNT   3 HDP CHAINS /  37 HYP OPENED

List of important HDP chains detected for E6,I6: 6..:

* DIS # E6: 6 => CTR => E6: 1,2,3,5
* STA E6: 1,2,3,5
* CNT   1 HDP CHAINS /   2 HYP OPENED

List of important HDP chains detected for I5,I6: 6..:

* DIS # I5: 6 => CTR => I5: 1,4,5,8,9
* STA I5: 1,4,5,8,9
* 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

98.7..6....7.96.5..........86..4.7....3.........8.....6....84..4...7...2..14....7 initial
98.7..6....7.96.5...6.8..7.86..4.7....3.........8.....67...84..4.8.7...2..14....7 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
F1,F3: 4.. / F1 = 4  =>  2 pairs (_) / F3 = 4  =>  0 pairs (_)
B2,I2: 4.. / B2 = 4  =>  1 pairs (_) / I2 = 4  =>  1 pairs (_)
C1,C6: 4.. / C1 = 4  =>  1 pairs (_) / C6 = 4  =>  1 pairs (_)
I5,I6: 6.. / I5 = 6  =>  0 pairs (X) / I6 = 6  =>  0 pairs (_)
D8,E9: 6.. / D8 = 6  =>  2 pairs (_) / E9 = 6  =>  0 pairs (_)
H8,H9: 6.. / H8 = 6  =>  0 pairs (_) / H9 = 6  =>  2 pairs (_)
E6,I6: 6.. / E6 = 6  =>  0 pairs (X) / I6 = 6  =>  0 pairs (_)
D8,H8: 6.. / D8 = 6  =>  2 pairs (_) / H8 = 6  =>  0 pairs (_)
E9,H9: 6.. / E9 = 6  =>  0 pairs (_) / H9 = 6  =>  2 pairs (_)
D5,D8: 6.. / D5 = 6  =>  0 pairs (_) / D8 = 6  =>  2 pairs (_)
A5,A6: 7.. / A5 = 7  =>  0 pairs (_) / A6 = 7  =>  0 pairs (_)
F5,F6: 7.. / F5 = 7  =>  0 pairs (_) / F6 = 7  =>  0 pairs (_)
A5,F5: 7.. / A5 = 7  =>  0 pairs (_) / F5 = 7  =>  0 pairs (_)
A6,F6: 7.. / A6 = 7  =>  0 pairs (_) / F6 = 7  =>  0 pairs (_)
G2,I2: 8.. / G2 = 8  =>  0 pairs (_) / I2 = 8  =>  1 pairs (_)
G9,H9: 8.. / G9 = 8  =>  2 pairs (_) / H9 = 8  =>  0 pairs (_)
H5,H9: 8.. / H5 = 8  =>  2 pairs (_) / H9 = 8  =>  0 pairs (_)
I2,I5: 8.. / I2 = 8  =>  1 pairs (_) / I5 = 8  =>  0 pairs (_)
G3,I3: 9.. / G3 = 9  =>  0 pairs (_) / I3 = 9  =>  0 pairs (_)
* DURATION: 0:00:14.523802  START: 15:05:17.357392  END: 15:05:31.881194 2020-11-14
* CP COUNT: (19)
* CLUE FOUND

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
H5,H9: 8.. / H5 = 8 ==>  2 pairs (_) / H9 = 8 ==>  0 pairs (_)
G9,H9: 8.. / G9 = 8 ==>  2 pairs (_) / H9 = 8 ==>  0 pairs (_)
D5,D8: 6.. / D5 = 6 ==>  0 pairs (_) / D8 = 6 ==>  2 pairs (_)
E9,H9: 6.. / E9 = 6 ==>  0 pairs (_) / H9 = 6 ==>  2 pairs (_)
D8,H8: 6.. / D8 = 6 ==>  2 pairs (_) / H8 = 6 ==>  0 pairs (_)
H8,H9: 6.. / H8 = 6 ==>  0 pairs (_) / H9 = 6 ==>  2 pairs (_)
D8,E9: 6.. / D8 = 6 ==>  2 pairs (_) / E9 = 6 ==>  0 pairs (_)
F1,F3: 4.. / F1 = 4 ==>  5 pairs (_) / F3 = 4 ==>  0 pairs (_)
C1,C6: 4.. / C1 = 4 ==>  1 pairs (_) / C6 = 4 ==>  1 pairs (_)
B2,I2: 4.. / B2 = 4 ==>  1 pairs (_) / I2 = 4 ==>  1 pairs (_)
I2,I5: 8.. / I2 = 8 ==>  1 pairs (_) / I5 = 8 ==>  0 pairs (_)
G2,I2: 8.. / G2 = 8 ==>  0 pairs (_) / I2 = 8 ==>  1 pairs (_)
G3,I3: 9.. / G3 = 9 ==>  0 pairs (_) / I3 = 9 ==>  0 pairs (_)
A6,F6: 7.. / A6 = 7 ==>  0 pairs (_) / F6 = 7 ==>  0 pairs (_)
A5,F5: 7.. / A5 = 7 ==>  0 pairs (_) / F5 = 7 ==>  0 pairs (_)
F5,F6: 7.. / F5 = 7 ==>  0 pairs (_) / F6 = 7 ==>  0 pairs (_)
A5,A6: 7.. / A5 = 7 ==>  0 pairs (_) / A6 = 7 ==>  0 pairs (_)
E6,I6: 6.. / E6 = 6  =>  0 pairs (X) / I6 = 6  =>  0 pairs (_)
I5,I6: 6.. / I5 = 6  =>  0 pairs (X) / I6 = 6  =>  0 pairs (_)
* DURATION: 0:01:57.387892  START: 15:05:31.881842  END: 15:07:29.269734 2020-11-14
* REASONING F1,F3: 4..
* DIS # F1: 4 # G2: 1,3 => CTR => G2: 2,8
* DIS # F1: 4 + G2: 2,8 # I2: 1,3 => CTR => I2: 4,8
* DIS # F1: 4 + G2: 2,8 + I2: 4,8 # I3: 1,3 => CTR => I3: 4,9
* CNT   3 HDP CHAINS /  37 HYP OPENED
* REASONING E6,I6: 6..
* DIS # E6: 6 => CTR => E6: 1,2,3,5
* STA E6: 1,2,3,5
* CNT   1 HDP CHAINS /   2 HYP OPENED
* REASONING I5,I6: 6..
* DIS # I5: 6 => CTR => I5: 1,4,5,8,9
* STA I5: 1,4,5,8,9
* CNT   1 HDP CHAINS /   2 HYP OPENED
* DCP COUNT: (19)
* CLUE FOUND

Header Info

2487407;2019_08_05_a;PAQ;23;11.40;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for H5,H9: 8..:

* INC # H5: 8 # A3: 2,5 => UNS
* INC # H5: 8 # B3: 2,5 => UNS
* INC # H5: 8 # E1: 2,5 => UNS
* INC # H5: 8 # F1: 2,5 => UNS
* INC # H5: 8 # C4: 2,5 => UNS
* INC # H5: 8 # C7: 2,5 => UNS
* INC # H5: 8 # G2: 1,3 => UNS
* INC # H5: 8 # G3: 1,3 => UNS
* INC # H5: 8 # I3: 1,3 => UNS
* INC # H5: 8 # E1: 1,3 => UNS
* INC # H5: 8 # F1: 1,3 => UNS
* INC # H5: 8 # I4: 1,3 => UNS
* INC # H5: 8 # I7: 1,3 => UNS
* INC # H5: 8 => UNS
* INC # H9: 8 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for G9,H9: 8..:

* INC # G9: 8 # A3: 2,5 => UNS
* INC # G9: 8 # B3: 2,5 => UNS
* INC # G9: 8 # E1: 2,5 => UNS
* INC # G9: 8 # F1: 2,5 => UNS
* INC # G9: 8 # C4: 2,5 => UNS
* INC # G9: 8 # C7: 2,5 => UNS
* INC # G9: 8 # G2: 1,3 => UNS
* INC # G9: 8 # G3: 1,3 => UNS
* INC # G9: 8 # I3: 1,3 => UNS
* INC # G9: 8 # E1: 1,3 => UNS
* INC # G9: 8 # F1: 1,3 => UNS
* INC # G9: 8 # I4: 1,3 => UNS
* INC # G9: 8 # I7: 1,3 => UNS
* INC # G9: 8 => UNS
* INC # H9: 8 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for D5,D8: 6..:

* INC # D8: 6 # A3: 2,5 => UNS
* INC # D8: 6 # B3: 2,5 => UNS
* INC # D8: 6 # E1: 2,5 => UNS
* INC # D8: 6 # F1: 2,5 => UNS
* INC # D8: 6 # C4: 2,5 => UNS
* INC # D8: 6 # C7: 2,5 => UNS
* INC # D8: 6 # G2: 1,3 => UNS
* INC # D8: 6 # G3: 1,3 => UNS
* INC # D8: 6 # I3: 1,3 => UNS
* INC # D8: 6 # E1: 1,3 => UNS
* INC # D8: 6 # F1: 1,3 => UNS
* INC # D8: 6 # I4: 1,3 => UNS
* INC # D8: 6 # I7: 1,3 => UNS
* INC # D8: 6 => UNS
* INC # D5: 6 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for E9,H9: 6..:

* INC # H9: 6 # A3: 2,5 => UNS
* INC # H9: 6 # B3: 2,5 => UNS
* INC # H9: 6 # E1: 2,5 => UNS
* INC # H9: 6 # F1: 2,5 => UNS
* INC # H9: 6 # C4: 2,5 => UNS
* INC # H9: 6 # C7: 2,5 => UNS
* INC # H9: 6 # G2: 1,3 => UNS
* INC # H9: 6 # G3: 1,3 => UNS
* INC # H9: 6 # I3: 1,3 => UNS
* INC # H9: 6 # E1: 1,3 => UNS
* INC # H9: 6 # F1: 1,3 => UNS
* INC # H9: 6 # I4: 1,3 => UNS
* INC # H9: 6 # I7: 1,3 => UNS
* INC # H9: 6 => UNS
* INC # E9: 6 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for D8,H8: 6..:

* INC # D8: 6 # A3: 2,5 => UNS
* INC # D8: 6 # B3: 2,5 => UNS
* INC # D8: 6 # E1: 2,5 => UNS
* INC # D8: 6 # F1: 2,5 => UNS
* INC # D8: 6 # C4: 2,5 => UNS
* INC # D8: 6 # C7: 2,5 => UNS
* INC # D8: 6 # G2: 1,3 => UNS
* INC # D8: 6 # G3: 1,3 => UNS
* INC # D8: 6 # I3: 1,3 => UNS
* INC # D8: 6 # E1: 1,3 => UNS
* INC # D8: 6 # F1: 1,3 => UNS
* INC # D8: 6 # I4: 1,3 => UNS
* INC # D8: 6 # I7: 1,3 => UNS
* INC # D8: 6 => UNS
* INC # H8: 6 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for H8,H9: 6..:

* INC # H9: 6 # A3: 2,5 => UNS
* INC # H9: 6 # B3: 2,5 => UNS
* INC # H9: 6 # E1: 2,5 => UNS
* INC # H9: 6 # F1: 2,5 => UNS
* INC # H9: 6 # C4: 2,5 => UNS
* INC # H9: 6 # C7: 2,5 => UNS
* INC # H9: 6 # G2: 1,3 => UNS
* INC # H9: 6 # G3: 1,3 => UNS
* INC # H9: 6 # I3: 1,3 => UNS
* INC # H9: 6 # E1: 1,3 => UNS
* INC # H9: 6 # F1: 1,3 => UNS
* INC # H9: 6 # I4: 1,3 => UNS
* INC # H9: 6 # I7: 1,3 => UNS
* INC # H9: 6 => UNS
* INC # H8: 6 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for D8,E9: 6..:

* INC # D8: 6 # A3: 2,5 => UNS
* INC # D8: 6 # B3: 2,5 => UNS
* INC # D8: 6 # E1: 2,5 => UNS
* INC # D8: 6 # F1: 2,5 => UNS
* INC # D8: 6 # C4: 2,5 => UNS
* INC # D8: 6 # C7: 2,5 => UNS
* INC # D8: 6 # G2: 1,3 => UNS
* INC # D8: 6 # G3: 1,3 => UNS
* INC # D8: 6 # I3: 1,3 => UNS
* INC # D8: 6 # E1: 1,3 => UNS
* INC # D8: 6 # F1: 1,3 => UNS
* INC # D8: 6 # I4: 1,3 => UNS
* INC # D8: 6 # I7: 1,3 => UNS
* INC # D8: 6 => UNS
* INC # E9: 6 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for F1,F3: 4..:

* INC # F1: 4 # A3: 2,5 => UNS
* INC # F1: 4 # B3: 2,5 => UNS
* INC # F1: 4 # E1: 2,5 => UNS
* INC # F1: 4 # E1: 1,3 => UNS
* INC # F1: 4 # C4: 2,5 => UNS
* INC # F1: 4 # C7: 2,5 => UNS
* INC # F1: 4 # H1: 1,3 => UNS
* DIS # F1: 4 # G2: 1,3 => CTR => G2: 2,8
* DIS # F1: 4 + G2: 2,8 # I2: 1,3 => CTR => I2: 4,8
* INC # F1: 4 + G2: 2,8 + I2: 4,8 # G3: 1,3 => UNS
* DIS # F1: 4 + G2: 2,8 + I2: 4,8 # I3: 1,3 => CTR => I3: 4,9
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # I4: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # I7: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # H1: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # G3: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # I4: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # I7: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # A3: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # B3: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # C4: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # C7: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # H1: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # G3: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # E1: 2,5 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # I4: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # I7: 1,3 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # G5: 2,8 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 # G5: 1,5,9 => UNS
* INC # F1: 4 + G2: 2,8 + I2: 4,8 + I3: 4,9 => UNS
* INC # F3: 4 => UNS
* CNT  37 HDP CHAINS /  37 HYP OPENED

Full list of HDP chains traversed for C1,C6: 4..:

* INC # C1: 4 # H1: 1,3 => UNS
* INC # C1: 4 # G3: 1,3 => UNS
* INC # C1: 4 # I3: 1,3 => UNS
* INC # C1: 4 # E1: 1,3 => UNS
* INC # C1: 4 # F1: 1,3 => UNS
* INC # C1: 4 # I4: 1,3 => UNS
* INC # C1: 4 # I7: 1,3 => UNS
* INC # C1: 4 => UNS
* INC # C6: 4 # A3: 2,5 => UNS
* INC # C6: 4 # B3: 2,5 => UNS
* INC # C6: 4 # E1: 2,5 => UNS
* INC # C6: 4 # F1: 2,5 => UNS
* INC # C6: 4 # C4: 2,5 => UNS
* INC # C6: 4 # C7: 2,5 => UNS
* INC # C6: 4 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for B2,I2: 4..:

* INC # B2: 4 # A3: 2,5 => UNS
* INC # B2: 4 # B3: 2,5 => UNS
* INC # B2: 4 # E1: 2,5 => UNS
* INC # B2: 4 # F1: 2,5 => UNS
* INC # B2: 4 # C4: 2,5 => UNS
* INC # B2: 4 # C7: 2,5 => UNS
* INC # B2: 4 => UNS
* INC # I2: 4 # H1: 1,3 => UNS
* INC # I2: 4 # G3: 1,3 => UNS
* INC # I2: 4 # I3: 1,3 => UNS
* INC # I2: 4 # E1: 1,3 => UNS
* INC # I2: 4 # F1: 1,3 => UNS
* INC # I2: 4 # I4: 1,3 => UNS
* INC # I2: 4 # I7: 1,3 => UNS
* INC # I2: 4 => UNS
* CNT  15 HDP CHAINS /  15 HYP OPENED

Full list of HDP chains traversed for I2,I5: 8..:

* INC # I2: 8 # A3: 2,5 => UNS
* INC # I2: 8 # B3: 2,5 => UNS
* INC # I2: 8 # E1: 2,5 => UNS
* INC # I2: 8 # F1: 2,5 => UNS
* INC # I2: 8 # C4: 2,5 => UNS
* INC # I2: 8 # C7: 2,5 => UNS
* INC # I2: 8 => UNS
* INC # I5: 8 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for G2,I2: 8..:

* INC # I2: 8 # A3: 2,5 => UNS
* INC # I2: 8 # B3: 2,5 => UNS
* INC # I2: 8 # E1: 2,5 => UNS
* INC # I2: 8 # F1: 2,5 => UNS
* INC # I2: 8 # C4: 2,5 => UNS
* INC # I2: 8 # C7: 2,5 => UNS
* INC # I2: 8 => UNS
* INC # G2: 8 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for G3,I3: 9..:

* INC # G3: 9 => UNS
* INC # I3: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A6,F6: 7..:

* INC # A6: 7 => UNS
* INC # F6: 7 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A5,F5: 7..:

* INC # A5: 7 => UNS
* INC # F5: 7 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for F5,F6: 7..:

* INC # F5: 7 => UNS
* INC # F6: 7 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A5,A6: 7..:

* INC # A5: 7 => UNS
* INC # A6: 7 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for E6,I6: 6..:

* DIS # E6: 6 => CTR => E6: 1,2,3,5
* INC E6: 1,2,3,5 # I6: 6 => UNS
* STA E6: 1,2,3,5
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for I5,I6: 6..:

* DIS # I5: 6 => CTR => I5: 1,4,5,8,9
* INC I5: 1,4,5,8,9 # I6: 6 => UNS
* STA I5: 1,4,5,8,9
* CNT   2 HDP CHAINS /   2 HYP OPENED