Analysis of xx-ph-00009395-cy4-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....6..5..4....5.3..9.4.......6.2....8....9..5.3...79...1.....13...........2 initial

Autosolve

position: 98.7.....6..5..4....5.3..9.4.......6.2....8....9..5.3...79...1.....13...........2 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

Time used: 0:00:00.000008

List of important HDP chains detected for C4,A6: 8..:

* DIS # A6: 8 # B4: 1,3 => CTR => B4: 5,7
* DIS # A6: 8 + B4: 5,7 # C9: 1,3 => CTR => C9: 4,6,8
* DIS # C4: 8 # A5: 1,7 => CTR => A5: 3,5
* CNT   3 HDP CHAINS /  59 HYP OPENED

List of important HDP chains detected for C1,B3: 4..:

* DIS # C1: 4 # G3: 1,7 => CTR => G3: 2,6
* DIS # C1: 4 + G3: 2,6 # I3: 1,7 => CTR => I3: 8
* DIS # C1: 4 + G3: 2,6 + I3: 8 # A3: 2 => CTR => A3: 1,7
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 # B4: 1,7 => CTR => B4: 5
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 + B4: 5 # B6: 1,7 => CTR => B6: 6
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 + B4: 5 + B6: 6 => CTR => C1: 1,2,3
* STA C1: 1,2,3
* CNT   6 HDP CHAINS /  12 HYP OPENED

List of important HDP chains detected for C5,B6: 6..:

* DIS # C5: 6 # B4: 1,7 => CTR => B4: 3,5
* CNT   1 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..5..4....5.3..9.4.......6.2....8....9..5.3...79...1.....13...........2 initial
98.7.....6..5..4....5.3..9.4.......6.2....8....9..5.3...79...1.....13...........2 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
D4,D5: 3.. / D4 = 3  =>  1 pairs (_) / D5 = 3  =>  1 pairs (_)
C1,B3: 4.. / C1 = 4  =>  2 pairs (_) / B3 = 4  =>  0 pairs (_)
B4,A5: 5.. / B4 = 5  =>  1 pairs (_) / A5 = 5  =>  2 pairs (_)
E7,E9: 5.. / E7 = 5  =>  1 pairs (_) / E9 = 5  =>  0 pairs (_)
C5,B6: 6.. / C5 = 6  =>  1 pairs (_) / B6 = 6  =>  1 pairs (_)
E9,F9: 7.. / E9 = 7  =>  1 pairs (_) / F9 = 7  =>  0 pairs (_)
C4,A6: 8.. / C4 = 8  =>  1 pairs (_) / A6 = 8  =>  2 pairs (_)
E2,F2: 9.. / E2 = 9  =>  0 pairs (_) / F2 = 9  =>  1 pairs (_)
G4,I5: 9.. / G4 = 9  =>  0 pairs (_) / I5 = 9  =>  0 pairs (_)
B8,B9: 9.. / B8 = 9  =>  0 pairs (_) / B9 = 9  =>  0 pairs (_)
B9,G9: 9.. / B9 = 9  =>  0 pairs (_) / G9 = 9  =>  0 pairs (_)
I5,I8: 9.. / I5 = 9  =>  0 pairs (_) / I8 = 9  =>  0 pairs (_)
* DURATION: 0:00:07.513787  START: 06:15:35.550173  END: 06:15:43.063960 2020-12-01
* CP COUNT: (12)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
C4,A6: 8.. / C4 = 8 ==>  2 pairs (_) / A6 = 8 ==>  5 pairs (_)
B4,A5: 5.. / B4 = 5 ==>  1 pairs (_) / A5 = 5 ==>  2 pairs (_)
C1,B3: 4.. / C1 = 4 ==>  0 pairs (X) / B3 = 4  =>  0 pairs (_)
C5,B6: 6.. / C5 = 6 ==>  2 pairs (_) / B6 = 6 ==>  1 pairs (_)
D4,D5: 3.. / D4 = 3 ==>  1 pairs (_) / D5 = 3 ==>  1 pairs (_)
E2,F2: 9.. / E2 = 9 ==>  0 pairs (_) / F2 = 9 ==>  1 pairs (_)
E9,F9: 7.. / E9 = 7 ==>  1 pairs (_) / F9 = 7 ==>  0 pairs (_)
E7,E9: 5.. / E7 = 5 ==>  1 pairs (_) / E9 = 5 ==>  0 pairs (_)
I5,I8: 9.. / I5 = 9 ==>  0 pairs (_) / I8 = 9 ==>  0 pairs (_)
B9,G9: 9.. / B9 = 9 ==>  0 pairs (_) / G9 = 9 ==>  0 pairs (_)
B8,B9: 9.. / B8 = 9 ==>  0 pairs (_) / B9 = 9 ==>  0 pairs (_)
G4,I5: 9.. / G4 = 9 ==>  0 pairs (_) / I5 = 9 ==>  0 pairs (_)
* DURATION: 0:01:19.473091  START: 06:15:43.064623  END: 06:17:02.537714 2020-12-01
* REASONING C4,A6: 8..
* DIS # A6: 8 # B4: 1,3 => CTR => B4: 5,7
* DIS # A6: 8 + B4: 5,7 # C9: 1,3 => CTR => C9: 4,6,8
* DIS # C4: 8 # A5: 1,7 => CTR => A5: 3,5
* CNT   3 HDP CHAINS /  59 HYP OPENED
* REASONING C1,B3: 4..
* DIS # C1: 4 # G3: 1,7 => CTR => G3: 2,6
* DIS # C1: 4 + G3: 2,6 # I3: 1,7 => CTR => I3: 8
* DIS # C1: 4 + G3: 2,6 + I3: 8 # A3: 2 => CTR => A3: 1,7
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 # B4: 1,7 => CTR => B4: 5
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 + B4: 5 # B6: 1,7 => CTR => B6: 6
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 + B4: 5 + B6: 6 => CTR => C1: 1,2,3
* STA C1: 1,2,3
* CNT   6 HDP CHAINS /  12 HYP OPENED
* REASONING C5,B6: 6..
* DIS # C5: 6 # B4: 1,7 => CTR => B4: 3,5
* CNT   1 HDP CHAINS /  27 HYP OPENED
* DCP COUNT: (12)
* CLUE FOUND

Header Info

9395;cy4;GP;22;11.30;11.30;2.60

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for C4,A6: 8..:

* DIS # A6: 8 # B4: 1,3 => CTR => B4: 5,7
* INC # A6: 8 + B4: 5,7 # A5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 # C5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 # D4: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 # D4: 2,8 => UNS
* INC # A6: 8 + B4: 5,7 # C1: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 # C2: 1,3 => UNS
* DIS # A6: 8 + B4: 5,7 # C9: 1,3 => CTR => C9: 4,6,8
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # C5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # D4: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # D4: 2,8 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # C1: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # C2: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A7: 2,5 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A7: 3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A5: 5,7 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # G4: 5,7 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # H4: 5,7 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # C5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # D4: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # D4: 2,8 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # C1: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # C2: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A7: 2,5 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A7: 3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # B9: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # B9: 9 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A5: 1,3 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # A5: 5,7 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # B9: 3,9 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 # B9: 1 => UNS
* INC # A6: 8 + B4: 5,7 + C9: 4,6,8 => UNS
* INC # C4: 8 # B4: 1,7 => UNS
* DIS # C4: 8 # A5: 1,7 => CTR => A5: 3,5
* INC # C4: 8 + A5: 3,5 # B6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # G6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # I6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A3: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A3: 2 => UNS
* INC # C4: 8 + A5: 3,5 # B4: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # B6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # G6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # I6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A3: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A3: 2 => UNS
* INC # C4: 8 + A5: 3,5 # B4: 3,5 => UNS
* INC # C4: 8 + A5: 3,5 # B4: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A7: 3,5 => UNS
* INC # C4: 8 + A5: 3,5 # A9: 3,5 => UNS
* INC # C4: 8 + A5: 3,5 # B4: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # B6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # G6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # I6: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A3: 1,7 => UNS
* INC # C4: 8 + A5: 3,5 # A3: 2 => UNS
* INC # C4: 8 + A5: 3,5 => UNS
* CNT  59 HDP CHAINS /  59 HYP OPENED

Full list of HDP chains traversed for B4,A5: 5..:

* INC # A5: 5 # I5: 4,7 => UNS
* INC # A5: 5 # I6: 4,7 => UNS
* INC # A5: 5 # E5: 4,7 => UNS
* INC # A5: 5 # F5: 4,7 => UNS
* INC # A5: 5 # H8: 4,7 => UNS
* INC # A5: 5 # H8: 5,6,8 => UNS
* INC # A5: 5 # A7: 2,8 => UNS
* INC # A5: 5 # C8: 2,8 => UNS
* INC # A5: 5 # D8: 2,8 => UNS
* INC # A5: 5 # D8: 4,6 => UNS
* INC # A5: 5 => UNS
* INC # B4: 5 # G4: 2,7 => UNS
* INC # B4: 5 # G6: 2,7 => UNS
* INC # B4: 5 # E4: 2,7 => UNS
* INC # B4: 5 # F4: 2,7 => UNS
* INC # B4: 5 # H2: 2,7 => UNS
* INC # B4: 5 # H2: 8 => UNS
* INC # B4: 5 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for C1,B3: 4..:

* INC # C1: 4 # B2: 1,7 => UNS
* INC # C1: 4 # A3: 1,7 => UNS
* DIS # C1: 4 # G3: 1,7 => CTR => G3: 2,6
* DIS # C1: 4 + G3: 2,6 # I3: 1,7 => CTR => I3: 8
* INC # C1: 4 + G3: 2,6 + I3: 8 # B4: 1,7 => UNS
* INC # C1: 4 + G3: 2,6 + I3: 8 # B6: 1,7 => UNS
* INC # C1: 4 + G3: 2,6 + I3: 8 # A3: 1,7 => UNS
* DIS # C1: 4 + G3: 2,6 + I3: 8 # A3: 2 => CTR => A3: 1,7
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 # B4: 1,7 => CTR => B4: 5
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 + B4: 5 # B6: 1,7 => CTR => B6: 6
* DIS # C1: 4 + G3: 2,6 + I3: 8 + A3: 1,7 + B4: 5 + B6: 6 => CTR => C1: 1,2,3
* INC C1: 1,2,3 # B3: 4 => UNS
* STA C1: 1,2,3
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for C5,B6: 6..:

* DIS # C5: 6 # B4: 1,7 => CTR => B4: 3,5
* INC # C5: 6 + B4: 3,5 # A5: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # A6: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # G6: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # I6: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # B2: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # B3: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # A5: 3,5 => UNS
* INC # C5: 6 + B4: 3,5 # A5: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # B7: 3,5 => UNS
* INC # C5: 6 + B4: 3,5 # B9: 3,5 => UNS
* INC # C5: 6 + B4: 3,5 # A5: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # A6: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # G6: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # I6: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # B2: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 # B3: 1,7 => UNS
* INC # C5: 6 + B4: 3,5 => UNS
* INC # B6: 6 # B4: 1,3 => UNS
* INC # B6: 6 # C4: 1,3 => UNS
* INC # B6: 6 # A5: 1,3 => UNS
* INC # B6: 6 # D5: 1,3 => UNS
* INC # B6: 6 # D5: 4,6 => UNS
* INC # B6: 6 # C1: 1,3 => UNS
* INC # B6: 6 # C2: 1,3 => UNS
* INC # B6: 6 # C9: 1,3 => UNS
* INC # B6: 6 => UNS
* CNT  27 HDP CHAINS /  27 HYP OPENED

Full list of HDP chains traversed for D4,D5: 3..:

* INC # D4: 3 # A6: 1,8 => UNS
* INC # D4: 3 # A6: 7 => UNS
* INC # D4: 3 # F4: 1,8 => UNS
* INC # D4: 3 # F4: 2,7,9 => UNS
* INC # D4: 3 # C9: 1,8 => UNS
* INC # D4: 3 # C9: 3,4,6 => UNS
* INC # D4: 3 => UNS
* INC # D5: 3 # B6: 1,6 => UNS
* INC # D5: 3 # B6: 7 => UNS
* INC # D5: 3 # F5: 1,6 => UNS
* INC # D5: 3 # F5: 4,7,9 => UNS
* INC # D5: 3 # C9: 1,6 => UNS
* INC # D5: 3 # C9: 4,8 => UNS
* INC # D5: 3 => UNS
* CNT  14 HDP CHAINS /  14 HYP OPENED

Full list of HDP chains traversed for E2,F2: 9..:

* INC # F2: 9 # D3: 2,8 => UNS
* INC # F2: 9 # F3: 2,8 => UNS
* INC # F2: 9 # H2: 2,8 => UNS
* INC # F2: 9 # H2: 7 => UNS
* INC # F2: 9 # E4: 2,8 => UNS
* INC # F2: 9 # E6: 2,8 => UNS
* INC # F2: 9 # E7: 2,8 => UNS
* INC # F2: 9 => UNS
* INC # E2: 9 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for E9,F9: 7..:

* INC # E9: 7 # G9: 3,6 => UNS
* INC # E9: 7 # G9: 5,9 => UNS
* INC # E9: 7 # B7: 3,6 => UNS
* INC # E9: 7 # B7: 4 => UNS
* INC # E9: 7 # G1: 3,6 => UNS
* INC # E9: 7 # G1: 1,2,5 => UNS
* INC # E9: 7 => UNS
* INC # F9: 7 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for E7,E9: 5..:

* INC # E7: 5 # G9: 3,6 => UNS
* INC # E7: 5 # G9: 5,9 => UNS
* INC # E7: 5 # B7: 3,6 => UNS
* INC # E7: 5 # B7: 4 => UNS
* INC # E7: 5 # G1: 3,6 => UNS
* INC # E7: 5 # G1: 1,2,5 => UNS
* INC # E7: 5 => UNS
* INC # E9: 5 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED

Full list of HDP chains traversed for I5,I8: 9..:

* INC # I5: 9 => UNS
* INC # I8: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for B9,G9: 9..:

* INC # B9: 9 => UNS
* INC # G9: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for B8,B9: 9..:

* INC # B8: 9 => UNS
* INC # B9: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for G4,I5: 9..:

* INC # G4: 9 => UNS
* INC # I5: 9 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED