Analysis of xx-ph-00033204-2012_04-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....6...9.7....7..5...4...3......95..6.......2.43.9...1....1..5..2...68..5.. initial

Autosolve

position: 98.7.....6...9.7....7..5...4...3......95..6.......2.43.9...1....1..5..2...68..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

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000007

List of important HDP chains detected for B2,B6: 5..:

* DIS # B6: 5 # E6: 1,8 => CTR => E6: 6,7
* DIS # B6: 5 + E6: 6,7 # C4: 1,8 => CTR => C4: 2
* DIS # B6: 5 + E6: 6,7 + C4: 2 # H4: 1,9 => CTR => H4: 5,7,8
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 # I4: 1,9 => CTR => I4: 5,7,8
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 # G4: 8 => CTR => G4: 1,9
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 # D6: 6 => CTR => D6: 1,9
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 # C1: 1,3 => CTR => C1: 5
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 + C1: 5 # D3: 2,4 => CTR => D3: 3
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 + C1: 5 + D3: 3 => CTR => B6: 6,7
* STA B6: 6,7
* CNT   9 HDP CHAINS /  25 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...9.7....7..5...4...3......95..6.......2.43.9...1....1..5..2...68..5.. initial
98.7.....6...9.7....7..5...4...3......95..6.......2.43.9...1....1..5..2...68..5.. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
H9,I9: 1.. / H9 = 1  =>  1 pairs (_) / I9 = 1  =>  0 pairs (_)
A5,B5: 3.. / A5 = 3  =>  4 pairs (_) / B5 = 3  =>  1 pairs (_)
E5,F5: 4.. / E5 = 4  =>  2 pairs (_) / F5 = 4  =>  2 pairs (_)
H4,I4: 5.. / H4 = 5  =>  0 pairs (_) / I4 = 5  =>  0 pairs (_)
A7,C7: 5.. / A7 = 5  =>  0 pairs (_) / C7 = 5  =>  2 pairs (_)
A6,A7: 5.. / A6 = 5  =>  2 pairs (_) / A7 = 5  =>  0 pairs (_)
B2,B6: 5.. / B2 = 5  =>  1 pairs (_) / B6 = 5  =>  2 pairs (_)
B4,B6: 6.. / B4 = 6  =>  2 pairs (_) / B6 = 6  =>  2 pairs (_)
F2,E3: 8.. / F2 = 8  =>  1 pairs (_) / E3 = 8  =>  1 pairs (_)
D6,G6: 9.. / D6 = 9  =>  2 pairs (_) / G6 = 9  =>  1 pairs (_)
* DURATION: 0:00:06.660461  START: 13:16:42.306475  END: 13:16:48.966936 2020-10-20
* CP COUNT: (10)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
A5,B5: 3.. / A5 = 3 ==>  4 pairs (_) / B5 = 3 ==>  1 pairs (_)
B4,B6: 6.. / B4 = 6 ==>  2 pairs (_) / B6 = 6 ==>  2 pairs (_)
E5,F5: 4.. / E5 = 4 ==>  2 pairs (_) / F5 = 4 ==>  2 pairs (_)
D6,G6: 9.. / D6 = 9 ==>  2 pairs (_) / G6 = 9 ==>  1 pairs (_)
B2,B6: 5.. / B2 = 5  =>  1 pairs (_) / B6 = 5 ==>  0 pairs (X)
A6,A7: 5.. / A6 = 5 ==>  2 pairs (_) / A7 = 5 ==>  0 pairs (_)
A7,C7: 5.. / A7 = 5 ==>  0 pairs (_) / C7 = 5 ==>  2 pairs (_)
F2,E3: 8.. / F2 = 8 ==>  1 pairs (_) / E3 = 8 ==>  1 pairs (_)
H9,I9: 1.. / H9 = 1 ==>  1 pairs (_) / I9 = 1 ==>  0 pairs (_)
H4,I4: 5.. / H4 = 5 ==>  0 pairs (_) / I4 = 5 ==>  0 pairs (_)
* DURATION: 0:01:21.582740  START: 13:16:48.967564  END: 13:18:10.550304 2020-10-20
* REASONING B2,B6: 5..
* DIS # B6: 5 # E6: 1,8 => CTR => E6: 6,7
* DIS # B6: 5 + E6: 6,7 # C4: 1,8 => CTR => C4: 2
* DIS # B6: 5 + E6: 6,7 + C4: 2 # H4: 1,9 => CTR => H4: 5,7,8
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 # I4: 1,9 => CTR => I4: 5,7,8
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 # G4: 8 => CTR => G4: 1,9
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 # D6: 6 => CTR => D6: 1,9
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 # C1: 1,3 => CTR => C1: 5
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 + C1: 5 # D3: 2,4 => CTR => D3: 3
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 + C1: 5 + D3: 3 => CTR => B6: 6,7
* STA B6: 6,7
* CNT   9 HDP CHAINS /  25 HYP OPENED
* DCP COUNT: (10)
* CLUE FOUND

Header Info

33204;2012_04;GP;24;11.40;11.40;2.60

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for A5,B5: 3..:

* INC # A5: 3 # C1: 1,2 => UNS
* INC # A5: 3 # C2: 1,2 => UNS
* INC # A5: 3 # D3: 1,2 => UNS
* INC # A5: 3 # E3: 1,2 => UNS
* INC # A5: 3 # G3: 1,2 => UNS
* INC # A5: 3 # I3: 1,2 => UNS
* INC # A5: 3 # B4: 2,7 => UNS
* INC # A5: 3 # B4: 6 => UNS
* INC # A5: 3 # I5: 2,7 => UNS
* INC # A5: 3 # I5: 1,8 => UNS
* INC # A5: 3 # B9: 2,7 => UNS
* INC # A5: 3 # B9: 3,4 => UNS
* INC # A5: 3 # A7: 7,8 => UNS
* INC # A5: 3 # A7: 2,5 => UNS
* INC # A5: 3 # I8: 7,8 => UNS
* INC # A5: 3 # I8: 4,6,9 => UNS
* INC # A5: 3 # A6: 7,8 => UNS
* INC # A5: 3 # A6: 1,5 => UNS
* INC # A5: 3 # A7: 2,7 => UNS
* INC # A5: 3 # B9: 2,7 => UNS
* INC # A5: 3 # E9: 2,7 => UNS
* INC # A5: 3 # E9: 4 => UNS
* INC # A5: 3 => UNS
* INC # B5: 3 # C1: 2,4 => UNS
* INC # B5: 3 # B2: 2,4 => UNS
* INC # B5: 3 # C2: 2,4 => UNS
* INC # B5: 3 # D3: 2,4 => UNS
* INC # B5: 3 # E3: 2,4 => UNS
* INC # B5: 3 # G3: 2,4 => UNS
* INC # B5: 3 # I3: 2,4 => UNS
* INC # B5: 3 # B9: 2,4 => UNS
* INC # B5: 3 # B9: 7 => UNS
* INC # B5: 3 => UNS
* CNT  33 HDP CHAINS /  33 HYP OPENED

Full list of HDP chains traversed for B4,B6: 6..:

* INC # B4: 6 # A6: 5,7 => UNS
* INC # B4: 6 # A6: 1,8 => UNS
* INC # B4: 6 # D6: 1,9 => UNS
* INC # B4: 6 # D6: 6 => UNS
* INC # B4: 6 # G4: 1,9 => UNS
* INC # B4: 6 # H4: 1,9 => UNS
* INC # B4: 6 # I4: 1,9 => UNS
* INC # B4: 6 => UNS
* INC # B6: 6 # A5: 2,7 => UNS
* INC # B6: 6 # B5: 2,7 => UNS
* INC # B6: 6 # I4: 2,7 => UNS
* INC # B6: 6 # I4: 1,5,8,9 => UNS
* INC # B6: 6 # B9: 2,7 => UNS
* INC # B6: 6 # B9: 3,4 => UNS
* INC # B6: 6 # D4: 1,9 => UNS
* INC # B6: 6 # D4: 6 => UNS
* INC # B6: 6 # G6: 1,9 => UNS
* INC # B6: 6 # G6: 8 => UNS
* INC # B6: 6 => UNS
* CNT  19 HDP CHAINS /  19 HYP OPENED

Full list of HDP chains traversed for E5,F5: 4..:

* INC # E5: 4 # F4: 7,8 => UNS
* INC # E5: 4 # E6: 7,8 => UNS
* INC # E5: 4 # A5: 7,8 => UNS
* INC # E5: 4 # H5: 7,8 => UNS
* INC # E5: 4 # I5: 7,8 => UNS
* INC # E5: 4 # E7: 2,7 => UNS
* INC # E5: 4 # E7: 6 => UNS
* INC # E5: 4 # A9: 2,7 => UNS
* INC # E5: 4 # B9: 2,7 => UNS
* INC # E5: 4 => UNS
* INC # F5: 4 # D3: 3,6 => UNS
* INC # F5: 4 # D3: 1,2,4 => UNS
* INC # F5: 4 # H1: 3,6 => UNS
* INC # F5: 4 # H1: 1,5 => UNS
* INC # F5: 4 # F8: 3,6 => UNS
* INC # F5: 4 # F8: 7,9 => UNS
* INC # F5: 4 # H2: 3,8 => UNS
* INC # F5: 4 # H2: 1,5 => UNS
* INC # F5: 4 => UNS
* CNT  19 HDP CHAINS /  19 HYP OPENED

Full list of HDP chains traversed for D6,G6: 9..:

* INC # D6: 9 # E6: 1,6 => UNS
* INC # D6: 9 # E6: 7,8 => UNS
* INC # D6: 9 # D3: 1,6 => UNS
* INC # D6: 9 # D3: 2,3,4 => UNS
* INC # D6: 9 # G4: 1,8 => UNS
* INC # D6: 9 # H4: 1,8 => UNS
* INC # D6: 9 # I4: 1,8 => UNS
* INC # D6: 9 # H5: 1,8 => UNS
* INC # D6: 9 # I5: 1,8 => UNS
* INC # D6: 9 # A6: 1,8 => UNS
* INC # D6: 9 # C6: 1,8 => UNS
* INC # D6: 9 # E6: 1,8 => UNS
* INC # D6: 9 # G3: 1,8 => UNS
* INC # D6: 9 # G3: 2,3,4,9 => UNS
* INC # D6: 9 => UNS
* INC # G6: 9 # D4: 1,6 => UNS
* INC # G6: 9 # E6: 1,6 => UNS
* INC # G6: 9 # D3: 1,6 => UNS
* INC # G6: 9 # D3: 2,3,4 => UNS
* INC # G6: 9 => UNS
* CNT  20 HDP CHAINS /  20 HYP OPENED

Full list of HDP chains traversed for B2,B6: 5..:

* INC # B6: 5 # C4: 1,8 => UNS
* INC # B6: 5 # A5: 1,8 => UNS
* INC # B6: 5 # A6: 1,8 => UNS
* DIS # B6: 5 # E6: 1,8 => CTR => E6: 6,7
* INC # B6: 5 + E6: 6,7 # G6: 1,8 => UNS
* INC # B6: 5 + E6: 6,7 # G6: 1,8 => UNS
* INC # B6: 5 + E6: 6,7 # G6: 9 => UNS
* DIS # B6: 5 + E6: 6,7 # C4: 1,8 => CTR => C4: 2
* INC # B6: 5 + E6: 6,7 + C4: 2 # A5: 1,8 => UNS
* INC # B6: 5 + E6: 6,7 + C4: 2 # A6: 1,8 => UNS
* INC # B6: 5 + E6: 6,7 + C4: 2 # G6: 1,8 => UNS
* INC # B6: 5 + E6: 6,7 + C4: 2 # G6: 9 => UNS
* INC # B6: 5 + E6: 6,7 + C4: 2 # D6: 1,9 => UNS
* INC # B6: 5 + E6: 6,7 + C4: 2 # D6: 6 => UNS
* INC # B6: 5 + E6: 6,7 + C4: 2 # G4: 1,9 => UNS
* DIS # B6: 5 + E6: 6,7 + C4: 2 # H4: 1,9 => CTR => H4: 5,7,8
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 # I4: 1,9 => CTR => I4: 5,7,8
* INC # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 # G4: 1,9 => UNS
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 # G4: 8 => CTR => G4: 1,9
* INC # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 # D6: 1,9 => UNS
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 # D6: 6 => CTR => D6: 1,9
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 # C1: 1,3 => CTR => C1: 5
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 + C1: 5 # D3: 2,4 => CTR => D3: 3
* DIS # B6: 5 + E6: 6,7 + C4: 2 + H4: 5,7,8 + I4: 5,7,8 + G4: 1,9 + D6: 1,9 + C1: 5 + D3: 3 => CTR => B6: 6,7
* INC B6: 6,7 # B2: 5 => UNS
* STA B6: 6,7
* CNT  25 HDP CHAINS /  25 HYP OPENED

Full list of HDP chains traversed for A6,A7: 5..:

* INC # A6: 5 # B4: 6,7 => UNS
* INC # A6: 5 # B4: 2 => UNS
* INC # A6: 5 # E6: 6,7 => UNS
* INC # A6: 5 # E6: 1,8 => UNS
* INC # A6: 5 # C4: 1,8 => UNS
* INC # A6: 5 # A5: 1,8 => UNS
* INC # A6: 5 # E6: 1,8 => UNS
* INC # A6: 5 # G6: 1,8 => UNS
* INC # A6: 5 => UNS
* INC # A7: 5 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for A7,C7: 5..:

* INC # C7: 5 # B4: 6,7 => UNS
* INC # C7: 5 # B4: 2 => UNS
* INC # C7: 5 # E6: 6,7 => UNS
* INC # C7: 5 # E6: 1,8 => UNS
* INC # C7: 5 # C4: 1,8 => UNS
* INC # C7: 5 # A5: 1,8 => UNS
* INC # C7: 5 # E6: 1,8 => UNS
* INC # C7: 5 # G6: 1,8 => UNS
* INC # C7: 5 => UNS
* INC # A7: 5 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for F2,E3: 8..:

* INC # F2: 8 # E5: 4,7 => UNS
* INC # F2: 8 # E5: 1,8 => UNS
* INC # F2: 8 # F8: 4,7 => UNS
* INC # F2: 8 # F9: 4,7 => UNS
* INC # F2: 8 => UNS
* INC # E3: 8 # F1: 3,4 => UNS
* INC # E3: 8 # D2: 3,4 => UNS
* INC # E3: 8 # D3: 3,4 => UNS
* INC # E3: 8 # B2: 3,4 => UNS
* INC # E3: 8 # C2: 3,4 => UNS
* INC # E3: 8 # F8: 3,4 => UNS
* INC # E3: 8 # F9: 3,4 => UNS
* INC # E3: 8 => UNS
* CNT  13 HDP CHAINS /  13 HYP OPENED

Full list of HDP chains traversed for H9,I9: 1..:

* INC # H9: 1 # H4: 7,8 => UNS
* INC # H9: 1 # I4: 7,8 => UNS
* INC # H9: 1 # I5: 7,8 => UNS
* INC # H9: 1 # A5: 7,8 => UNS
* INC # H9: 1 # E5: 7,8 => UNS
* INC # H9: 1 # F5: 7,8 => UNS
* INC # H9: 1 # H7: 7,8 => UNS
* INC # H9: 1 # H7: 3,6 => UNS
* INC # H9: 1 => UNS
* INC # I9: 1 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for H4,I4: 5..:

* INC # H4: 5 => UNS
* INC # I4: 5 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED