Analysis of xx-ph-00015033-kz1a-base.sdk

Contents

Original Sudoku

level: very deep

Original Sudoku

position: 98.7..6..5.4.6.........8...3....69....8.2..4.........1.7...38....56....2....1..5. initial

Autosolve

position: 98.7..6..5.4.6.........8...3....69....8.2..4.........1.7...38....56....2....1..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: 0:00:00.000013

List of important HDP chains detected for H6,H7: 6..:

* DIS # H6: 6 # H2: 1,9 => CTR => H2: 2,3,7,8
* CNT   1 HDP CHAINS /  38 HYP OPENED

List of important HDP chains detected for I5,H6: 6..:

* DIS # H6: 6 # H2: 1,9 => CTR => H2: 2,3,7,8
* CNT   1 HDP CHAINS /  38 HYP OPENED

See Appendix: Full HDP Chains for full list of HDP chains.

Very Deep Constraint Pair Analysis

Very Deep Constraint Pair Analysis

Time used: 0:00:43.708698

List of important HDP chains detected for H6,H7: 6..:

* DIS # H7: 6 # C4: 2 # C3: 1,3 => CTR => C3: 6,7
* PRF # H7: 6 # C4: 2 + C3: 6,7 # H6: 7,8 => SOL
* STA # H7: 6 # C4: 2 + C3: 6,7 + H6: 7,8
* CNT   2 HDP CHAINS /  57 HYP OPENED

See Appendix: Full HDP Chains for full list of HDP chains.

Details

This sudoku is very deep. Here is some information that may be helpful on how to proceed.

Positions

98.7..6..5.4.6.........8...3....69....8.2..4.........1.7...38....56....2....1..5. initial
98.7..6..5.4.6.........8...3....69....8.2..4.........1.7...38....56....2....1..5. autosolve

Classification

level: very deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
D7,E7: 5.. / D7 = 5  =>  1 pairs (_) / E7 = 5  =>  1 pairs (_)
I5,H6: 6.. / I5 = 6  =>  3 pairs (_) / H6 = 6  =>  1 pairs (_)
H6,H7: 6.. / H6 = 6  =>  1 pairs (_) / H7 = 6  =>  3 pairs (_)
A3,C3: 7.. / A3 = 7  =>  1 pairs (_) / C3 = 7  =>  1 pairs (_)
H2,I2: 8.. / H2 = 8  =>  1 pairs (_) / I2 = 8  =>  1 pairs (_)
A8,A9: 8.. / A8 = 8  =>  0 pairs (_) / A9 = 8  =>  1 pairs (_)
E8,D9: 8.. / E8 = 8  =>  1 pairs (_) / D9 = 8  =>  0 pairs (_)
A8,E8: 8.. / A8 = 8  =>  0 pairs (_) / E8 = 8  =>  1 pairs (_)
A9,D9: 8.. / A9 = 8  =>  1 pairs (_) / D9 = 8  =>  0 pairs (_)
I2,I4: 8.. / I2 = 8  =>  1 pairs (_) / I4 = 8  =>  1 pairs (_)
* DURATION: 0:00:07.166377  START: 13:20:43.823257  END: 13:20:50.989634 2020-12-03
* CP COUNT: (10)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
H6,H7: 6.. / H6 = 6 ==>  1 pairs (_) / H7 = 6 ==>  3 pairs (_)
I5,H6: 6.. / I5 = 6 ==>  3 pairs (_) / H6 = 6 ==>  1 pairs (_)
I2,I4: 8.. / I2 = 8 ==>  1 pairs (_) / I4 = 8 ==>  1 pairs (_)
H2,I2: 8.. / H2 = 8 ==>  1 pairs (_) / I2 = 8 ==>  1 pairs (_)
A3,C3: 7.. / A3 = 7 ==>  1 pairs (_) / C3 = 7 ==>  1 pairs (_)
D7,E7: 5.. / D7 = 5 ==>  1 pairs (_) / E7 = 5 ==>  1 pairs (_)
A9,D9: 8.. / A9 = 8 ==>  1 pairs (_) / D9 = 8 ==>  0 pairs (_)
A8,E8: 8.. / A8 = 8 ==>  0 pairs (_) / E8 = 8 ==>  1 pairs (_)
E8,D9: 8.. / E8 = 8 ==>  1 pairs (_) / D9 = 8 ==>  0 pairs (_)
A8,A9: 8.. / A8 = 8 ==>  0 pairs (_) / A9 = 8 ==>  1 pairs (_)
* DURATION: 0:01:12.187021  START: 13:20:50.990735  END: 13:22:03.177756 2020-12-03
* REASONING H6,H7: 6..
* DIS # H6: 6 # H2: 1,9 => CTR => H2: 2,3,7,8
* CNT   1 HDP CHAINS /  38 HYP OPENED
* REASONING I5,H6: 6..
* DIS # H6: 6 # H2: 1,9 => CTR => H2: 2,3,7,8
* CNT   1 HDP CHAINS /  38 HYP OPENED
* DCP COUNT: (10)
* INCONCLUSIVE

--------------------------------------------------
* VERY DEEP CONSTRAINT PAIRS (PAIR REDUCTION, RECURSIVE)
H6,H7: 6.. / H6 = 6  =>  0 pairs (X) / H7 = 6 ==>  0 pairs (*)
* DURATION: 0:00:43.706438  START: 13:22:03.297839  END: 13:22:47.004277 2020-12-03
* REASONING H6,H7: 6..
* DIS # H7: 6 # C4: 2 # C3: 1,3 => CTR => C3: 6,7
* PRF # H7: 6 # C4: 2 + C3: 6,7 # H6: 7,8 => SOL
* STA # H7: 6 # C4: 2 + C3: 6,7 + H6: 7,8
* CNT   2 HDP CHAINS /  57 HYP OPENED
* VDCP COUNT: (1)
* SOLUTION FOUND

Header Info

15033;kz1a;GP;23;11.30;11.30;2.60

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for H6,H7: 6..:

* INC # H7: 6 # C4: 1,7 => UNS
* INC # H7: 6 # C4: 2 => UNS
* INC # H7: 6 # F5: 1,7 => UNS
* INC # H7: 6 # F5: 5,9 => UNS
* INC # H7: 6 # A3: 1,7 => UNS
* INC # H7: 6 # A3: 2,6 => UNS
* INC # H7: 6 # A9: 4,8 => UNS
* INC # H7: 6 # A9: 2,6 => UNS
* INC # H7: 6 # E8: 4,8 => UNS
* INC # H7: 6 # E8: 7,9 => UNS
* INC # H7: 6 # I9: 4,9 => UNS
* INC # H7: 6 # I9: 3,7 => UNS
* INC # H7: 6 # D7: 4,9 => UNS
* INC # H7: 6 # E7: 4,9 => UNS
* INC # H7: 6 # I3: 4,9 => UNS
* INC # H7: 6 # I3: 3,5 => UNS
* INC # H7: 6 => UNS
* INC # H6: 6 # H8: 1,9 => UNS
* INC # H6: 6 # H8: 3,7 => UNS
* INC # H6: 6 # C7: 1,9 => UNS
* INC # H6: 6 # C7: 2,6 => UNS
* DIS # H6: 6 # H2: 1,9 => CTR => H2: 2,3,7,8
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 2,3 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 3,7 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 2,6 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 2,3 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 3,7 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 2,6 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 2,3 => UNS
* INC # H6: 6 + H2: 2,3,7,8 => UNS
* CNT  38 HDP CHAINS /  38 HYP OPENED

Full list of HDP chains traversed for I5,H6: 6..:

* INC # I5: 6 # C4: 1,7 => UNS
* INC # I5: 6 # C4: 2 => UNS
* INC # I5: 6 # F5: 1,7 => UNS
* INC # I5: 6 # F5: 5,9 => UNS
* INC # I5: 6 # A3: 1,7 => UNS
* INC # I5: 6 # A3: 2,6 => UNS
* INC # I5: 6 # A9: 4,8 => UNS
* INC # I5: 6 # A9: 2,6 => UNS
* INC # I5: 6 # E8: 4,8 => UNS
* INC # I5: 6 # E8: 7,9 => UNS
* INC # I5: 6 # I9: 4,9 => UNS
* INC # I5: 6 # I9: 3,7 => UNS
* INC # I5: 6 # D7: 4,9 => UNS
* INC # I5: 6 # E7: 4,9 => UNS
* INC # I5: 6 # I3: 4,9 => UNS
* INC # I5: 6 # I3: 3,5 => UNS
* INC # I5: 6 => UNS
* INC # H6: 6 # H8: 1,9 => UNS
* INC # H6: 6 # H8: 3,7 => UNS
* INC # H6: 6 # C7: 1,9 => UNS
* INC # H6: 6 # C7: 2,6 => UNS
* DIS # H6: 6 # H2: 1,9 => CTR => H2: 2,3,7,8
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 2,3 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 3,7 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 2,6 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 2,3 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H8: 3,7 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # C7: 2,6 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 1,9 => UNS
* INC # H6: 6 + H2: 2,3,7,8 # H3: 2,3 => UNS
* INC # H6: 6 + H2: 2,3,7,8 => UNS
* CNT  38 HDP CHAINS /  38 HYP OPENED

Full list of HDP chains traversed for I2,I4: 8..:

* INC # I2: 8 # G5: 5,7 => UNS
* INC # I2: 8 # I5: 5,7 => UNS
* INC # I2: 8 # G6: 5,7 => UNS
* INC # I2: 8 # E4: 5,7 => UNS
* INC # I2: 8 # E4: 4,8 => UNS
* INC # I2: 8 => UNS
* INC # I4: 8 # G6: 2,7 => UNS
* INC # I4: 8 # H6: 2,7 => UNS
* INC # I4: 8 # C4: 2,7 => UNS
* INC # I4: 8 # C4: 1 => UNS
* INC # I4: 8 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for H2,I2: 8..:

* INC # H2: 8 # G6: 2,7 => UNS
* INC # H2: 8 # H6: 2,7 => UNS
* INC # H2: 8 # C4: 2,7 => UNS
* INC # H2: 8 # C4: 1 => UNS
* INC # H2: 8 => UNS
* INC # I2: 8 # G5: 5,7 => UNS
* INC # I2: 8 # I5: 5,7 => UNS
* INC # I2: 8 # G6: 5,7 => UNS
* INC # I2: 8 # E4: 5,7 => UNS
* INC # I2: 8 # E4: 4,8 => UNS
* INC # I2: 8 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for A3,C3: 7..:

* INC # A3: 7 # B5: 1,6 => UNS
* INC # A3: 7 # B5: 5,9 => UNS
* INC # A3: 7 # A7: 1,6 => UNS
* INC # A3: 7 # A7: 2,4 => UNS
* INC # A3: 7 => UNS
* INC # C3: 7 # B4: 1,2 => UNS
* INC # C3: 7 # B4: 4,5 => UNS
* INC # C3: 7 # C1: 1,2 => UNS
* INC # C3: 7 # C7: 1,2 => UNS
* INC # C3: 7 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for D7,E7: 5..:

* INC # D7: 5 # E8: 4,9 => UNS
* INC # D7: 5 # F8: 4,9 => UNS
* INC # D7: 5 # D9: 4,9 => UNS
* INC # D7: 5 # F9: 4,9 => UNS
* INC # D7: 5 # I7: 4,9 => UNS
* INC # D7: 5 # I7: 6 => UNS
* INC # D7: 5 # E3: 4,9 => UNS
* INC # D7: 5 # E6: 4,9 => UNS
* INC # D7: 5 => UNS
* INC # E7: 5 # D3: 3,4 => UNS
* INC # E7: 5 # E3: 3,4 => UNS
* INC # E7: 5 # I1: 3,4 => UNS
* INC # E7: 5 # I1: 5 => UNS
* INC # E7: 5 # E6: 3,4 => UNS
* INC # E7: 5 # E6: 7,8,9 => UNS
* INC # E7: 5 => UNS
* CNT  16 HDP CHAINS /  16 HYP OPENED

Full list of HDP chains traversed for A9,D9: 8..:

* INC # A9: 8 # A7: 1,4 => UNS
* INC # A9: 8 # B8: 1,4 => UNS
* INC # A9: 8 # G8: 1,4 => UNS
* INC # A9: 8 # G8: 3,7 => UNS
* INC # A9: 8 => UNS
* INC # D9: 8 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

Full list of HDP chains traversed for A8,E8: 8..:

* INC # E8: 8 # A7: 1,4 => UNS
* INC # E8: 8 # B8: 1,4 => UNS
* INC # E8: 8 # G8: 1,4 => UNS
* INC # E8: 8 # G8: 3,7 => UNS
* INC # E8: 8 => UNS
* INC # A8: 8 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

Full list of HDP chains traversed for E8,D9: 8..:

* INC # E8: 8 # A7: 1,4 => UNS
* INC # E8: 8 # B8: 1,4 => UNS
* INC # E8: 8 # G8: 1,4 => UNS
* INC # E8: 8 # G8: 3,7 => UNS
* INC # E8: 8 => UNS
* INC # D9: 8 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

Full list of HDP chains traversed for A8,A9: 8..:

* INC # A9: 8 # A7: 1,4 => UNS
* INC # A9: 8 # B8: 1,4 => UNS
* INC # A9: 8 # G8: 1,4 => UNS
* INC # A9: 8 # G8: 3,7 => UNS
* INC # A9: 8 => UNS
* INC # A8: 8 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

A2. Very Deep Constraint Pair Analysis

Full list of HDP chains traversed for H6,H7: 6..:

* INC # H7: 6 # C4: 1,7 => UNS
* INC # H7: 6 # C4: 2 => UNS
* INC # H7: 6 # F5: 1,7 => UNS
* INC # H7: 6 # F5: 5,9 => UNS
* INC # H7: 6 # A3: 1,7 => UNS
* INC # H7: 6 # A3: 2,6 => UNS
* INC # H7: 6 # A9: 4,8 => UNS
* INC # H7: 6 # A9: 2,6 => UNS
* INC # H7: 6 # E8: 4,8 => UNS
* INC # H7: 6 # E8: 7,9 => UNS
* INC # H7: 6 # I9: 4,9 => UNS
* INC # H7: 6 # I9: 3,7 => UNS
* INC # H7: 6 # D7: 4,9 => UNS
* INC # H7: 6 # E7: 4,9 => UNS
* INC # H7: 6 # I3: 4,9 => UNS
* INC # H7: 6 # I3: 3,5 => UNS
* INC # H7: 6 # C4: 1,7 # B2: 2,3 => UNS
* INC # H7: 6 # C4: 1,7 # B3: 2,3 => UNS
* INC # H7: 6 # C4: 1,7 # C3: 2,3 => UNS
* INC # H7: 6 # C4: 1,7 # H1: 2,3 => UNS
* INC # H7: 6 # C4: 1,7 # H1: 1 => UNS
* INC # H7: 6 # C4: 1,7 # C9: 2,3 => UNS
* INC # H7: 6 # C4: 1,7 # C9: 6,9 => UNS
* INC # H7: 6 # C4: 1,7 # F5: 1,7 => UNS
* INC # H7: 6 # C4: 1,7 # F5: 5,9 => UNS
* INC # H7: 6 # C4: 1,7 # B6: 5,9 => UNS
* INC # H7: 6 # C4: 1,7 # B6: 2,4,6 => UNS
* INC # H7: 6 # C4: 1,7 # D5: 5,9 => UNS
* INC # H7: 6 # C4: 1,7 # F5: 5,9 => UNS
* INC # H7: 6 # C4: 1,7 # A9: 4,8 => UNS
* INC # H7: 6 # C4: 1,7 # A9: 2,6 => UNS
* INC # H7: 6 # C4: 1,7 # E8: 4,8 => UNS
* INC # H7: 6 # C4: 1,7 # E8: 7,9 => UNS
* INC # H7: 6 # C4: 1,7 # I9: 4,9 => UNS
* INC # H7: 6 # C4: 1,7 # I9: 3,7 => UNS
* INC # H7: 6 # C4: 1,7 # D7: 4,9 => UNS
* INC # H7: 6 # C4: 1,7 # E7: 4,9 => UNS
* INC # H7: 6 # C4: 1,7 # I3: 4,9 => UNS
* INC # H7: 6 # C4: 1,7 # I3: 3,5 => UNS
* INC # H7: 6 # C4: 1,7 => UNS
* INC # H7: 6 # C4: 2 # B2: 1,3 => UNS
* INC # H7: 6 # C4: 2 # B3: 1,3 => UNS
* DIS # H7: 6 # C4: 2 # C3: 1,3 => CTR => C3: 6,7
* INC # H7: 6 # C4: 2 + C3: 6,7 # H1: 1,3 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # H1: 2 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # B2: 1,3 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # B3: 1,3 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # H1: 1,3 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # H1: 2 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # F5: 1,7 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # F5: 5,9 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # A3: 1,7 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # A3: 2,6 => UNS
* INC # H7: 6 # C4: 2 + C3: 6,7 # I4: 7,8 => UNS
* PRF # H7: 6 # C4: 2 + C3: 6,7 # H6: 7,8 => SOL
* STA # H7: 6 # C4: 2 + C3: 6,7 + H6: 7,8
* CNT  55 HDP CHAINS /  57 HYP OPENED