Analysis of xx-ph-00017188-Kz1_b-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7..........5.8..7.4...5..6....3..2.......6..1.7..9..5...4..2..6...1..3.. initial

Autosolve

position: 98.7..6..7..........5.8..7.4...5..6....3..2.......6..1.7..9..5...4..2..6...1..3.. autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

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

Pair Reduction

Pair Reduction

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

Deep Pair Reduction

Deep Pair Reduction

Time used: 0:00:36.091819

The following important HDP chains were detected:

* DIS # F9: 5,8 # F5: 1,4 => CTR => F5: 7,8,9
* CNT   1 HDP CHAINS /  75 HYP OPENED

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

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000017

List of important HDP chains detected for D2,D8: 5..:

* DIS # D2: 5 # D6: 2,9 => CTR => D6: 4
* DIS # D2: 5 + D6: 4 => CTR => D2: 2,4,6,9
* STA D2: 2,4,6,9
* CNT   2 HDP CHAINS /   3 HYP OPENED

List of important HDP chains detected for D8,F9: 5..:

* DIS # F9: 5 # D6: 2,9 => CTR => D6: 4
* DIS # F9: 5 + D6: 4 => CTR => F9: 4,7,8
* STA F9: 4,7,8
* CNT   2 HDP CHAINS /   3 HYP OPENED

List of important HDP chains detected for E8,G8: 7..:

* DIS # E8: 7 # F5: 1,4 => CTR => F5: 7,8,9
* DIS # E8: 7 + F5: 7,8,9 # D6: 2,4 => CTR => D6: 8,9
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 # F9: 4 => CTR => F9: 5,8
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # H6: 8,9 => CTR => H6: 3
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 # F4: 8,9 => CTR => F4: 1
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 # C5: 1,6 => CTR => C5: 8,9
* PRF # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 + C5: 8,9 # H2: 8,9 => SOL
* STA # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 + C5: 8,9 + H2: 8,9
* CNT   7 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..7..........5.8..7.4...5..6....3..2.......6..1.7..9..5...4..2..6...1..3.. initial
98.7..6..7..........5.8..7.4...5..6....3..2.......6..1.7..9..5...4..2..6...1..3.. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* PAIRS (2)
D8: 5,8
E8: 3,7

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
I4,H6: 3.. / I4 = 3  =>  2 pairs (_) / H6 = 3  =>  2 pairs (_)
F7,E8: 3.. / F7 = 3  =>  4 pairs (_) / E8 = 3  =>  3 pairs (_)
B2,B3: 4.. / B2 = 4  =>  2 pairs (_) / B3 = 4  =>  3 pairs (_)
I5,G6: 5.. / I5 = 5  =>  1 pairs (_) / G6 = 5  =>  2 pairs (_)
D8,F9: 5.. / D8 = 5  =>  1 pairs (_) / F9 = 5  =>  8 pairs (_)
F1,I1: 5.. / F1 = 5  =>  1 pairs (_) / I1 = 5  =>  2 pairs (_)
D2,D8: 5.. / D2 = 5  =>  8 pairs (_) / D8 = 5  =>  1 pairs (_)
G2,G6: 5.. / G2 = 5  =>  1 pairs (_) / G6 = 5  =>  2 pairs (_)
D7,E9: 6.. / D7 = 6  =>  3 pairs (_) / E9 = 6  =>  3 pairs (_)
E2,E9: 6.. / E2 = 6  =>  3 pairs (_) / E9 = 6  =>  3 pairs (_)
G8,I9: 7.. / G8 = 7  =>  3 pairs (_) / I9 = 7  =>  4 pairs (_)
E8,G8: 7.. / E8 = 7  =>  4 pairs (_) / G8 = 7  =>  3 pairs (_)
* DURATION: 0:00:08.402531  START: 07:54:01.839312  END: 07:54:10.241843 2020-12-05
* CP COUNT: (12)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
D2,D8: 5.. / D2 = 5 ==>  0 pairs (X) / D8 = 5  =>  1 pairs (_)
D8,F9: 5.. / D8 = 5  =>  1 pairs (_) / F9 = 5 ==>  0 pairs (X)
E8,G8: 7.. / E8 = 7 ==>  0 pairs (*) / G8 = 7  =>  0 pairs (X)
* DURATION: 0:00:38.967206  START: 07:54:49.858536  END: 07:55:28.825742 2020-12-05
* REASONING D2,D8: 5..
* DIS # D2: 5 # D6: 2,9 => CTR => D6: 4
* DIS # D2: 5 + D6: 4 => CTR => D2: 2,4,6,9
* STA D2: 2,4,6,9
* CNT   2 HDP CHAINS /   3 HYP OPENED
* REASONING D8,F9: 5..
* DIS # F9: 5 # D6: 2,9 => CTR => D6: 4
* DIS # F9: 5 + D6: 4 => CTR => F9: 4,7,8
* STA F9: 4,7,8
* CNT   2 HDP CHAINS /   3 HYP OPENED
* REASONING E8,G8: 7..
* DIS # E8: 7 # F5: 1,4 => CTR => F5: 7,8,9
* DIS # E8: 7 + F5: 7,8,9 # D6: 2,4 => CTR => D6: 8,9
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 # F9: 4 => CTR => F9: 5,8
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # H6: 8,9 => CTR => H6: 3
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 # F4: 8,9 => CTR => F4: 1
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 # C5: 1,6 => CTR => C5: 8,9
* PRF # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 + C5: 8,9 # H2: 8,9 => SOL
* STA # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 + C5: 8,9 + H2: 8,9
* CNT   7 HDP CHAINS /  25 HYP OPENED
* DCP COUNT: (3)
* SOLUTION FOUND

Header Info

17188;Kz1 b;GP;23;11.30;11.30;10.60

Appendix: Full HDP Chains

A1. Pair Reduction Analysis

Full list of HDP chains traversed:

* INC # F9: 5,8 => UNS
* INC # F9: 4,7 => UNS
* INC # A8: 5,8 => UNS
* INC # A8: 1,3 => UNS
* CNT   4 HDP CHAINS /   4 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* INC # F9: 5,8 => UNS
* INC # F9: 4,7 => UNS
* INC # A8: 5,8 => UNS
* INC # A8: 1,3 => UNS
* CNT   4 HDP CHAINS /   4 HYP OPENED

A3. Deep Pair Reduction

Full list of HDP chains traversed:

* INC # F9: 5,8 => UNS
* INC # F9: 4,7 => UNS
* INC # A8: 5,8 => UNS
* INC # A8: 1,3 => UNS
* DIS # F9: 5,8 # F5: 1,4 => CTR => F5: 7,8,9
* INC # F9: 5,8 + F5: 7,8,9 # E1: 1,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E2: 1,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D6: 2,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D6: 8,9 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E1: 2,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E2: 2,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E9: 4,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E9: 7 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D2: 4,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D3: 4,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # F1: 3,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # F2: 3,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # F3: 3,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A8: 5,8 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A8: 1,3 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A9: 5,8 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A9: 2,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E1: 1,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E2: 1,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D6: 2,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D6: 8,9 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E1: 2,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E2: 2,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E9: 4,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # E9: 7 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D2: 4,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # D3: 4,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # F1: 3,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # F2: 3,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # F3: 3,4 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A8: 5,8 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A8: 1,3 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A9: 5,8 => UNS
* INC # F9: 5,8 + F5: 7,8,9 # A9: 2,6 => UNS
* INC # F9: 5,8 + F5: 7,8,9 => UNS
* INC # F9: 4,7 # E9: 4,7 => UNS
* INC # F9: 4,7 # E9: 6 => UNS
* INC # F9: 4,7 # I9: 4,7 => UNS
* INC # F9: 4,7 # I9: 2,8,9 => UNS
* INC # F9: 4,7 # F5: 4,7 => UNS
* INC # F9: 4,7 # F5: 1,8,9 => UNS
* INC # F9: 4,7 # G2: 1,4 => UNS
* INC # F9: 4,7 # G3: 1,4 => UNS
* INC # F9: 4,7 # H9: 2,4 => UNS
* INC # F9: 4,7 # I9: 2,4 => UNS
* INC # F9: 4,7 # I1: 2,4 => UNS
* INC # F9: 4,7 # I2: 2,4 => UNS
* INC # F9: 4,7 # I3: 2,4 => UNS
* INC # F9: 4,7 => UNS
* INC # A8: 5,8 # A9: 5,8 => UNS
* INC # A8: 5,8 # A9: 2,6 => UNS
* INC # A8: 5,8 # A5: 5,8 => UNS
* INC # A8: 5,8 # A6: 5,8 => UNS
* INC # A8: 5,8 # F9: 5,8 => UNS
* INC # A8: 5,8 # F9: 4,7 => UNS
* INC # A8: 5,8 # G8: 1,9 => UNS
* INC # A8: 5,8 # G8: 7 => UNS
* INC # A8: 5,8 # B8: 1,9 => UNS
* INC # A8: 5,8 # B8: 3 => UNS
* INC # A8: 5,8 # H2: 1,9 => UNS
* INC # A8: 5,8 # H2: 2,3,4,8 => UNS
* INC # A8: 5,8 => UNS
* INC # A8: 1,3 # A7: 1,3 => UNS
* INC # A8: 1,3 # C7: 1,3 => UNS
* INC # A8: 1,3 # B8: 1,3 => UNS
* INC # A8: 1,3 # A3: 1,3 => UNS
* INC # A8: 1,3 # A3: 2,6 => UNS
* INC # A8: 1,3 # F9: 5,8 => UNS
* INC # A8: 1,3 # F9: 4,7 => UNS
* INC # A8: 1,3 => UNS
* CNT  75 HDP CHAINS /  75 HYP OPENED

A4. Deep Constraint Pair Analysis

Full list of HDP chains traversed for D2,D8: 5..:

* DIS # D2: 5 # D6: 2,9 => CTR => D6: 4
* DIS # D2: 5 + D6: 4 => CTR => D2: 2,4,6,9
* INC D2: 2,4,6,9 # D8: 5 => UNS
* STA D2: 2,4,6,9
* CNT   3 HDP CHAINS /   3 HYP OPENED

Full list of HDP chains traversed for D8,F9: 5..:

* DIS # F9: 5 # D6: 2,9 => CTR => D6: 4
* DIS # F9: 5 + D6: 4 => CTR => F9: 4,7,8
* INC F9: 4,7,8 # D8: 5 => UNS
* STA F9: 4,7,8
* CNT   3 HDP CHAINS /   3 HYP OPENED

Full list of HDP chains traversed for E8,G8: 7..:

* DIS # E8: 7 # F5: 1,4 => CTR => F5: 7,8,9
* INC # E8: 7 + F5: 7,8,9 # E1: 1,4 => UNS
* INC # E8: 7 + F5: 7,8,9 # E2: 1,4 => UNS
* DIS # E8: 7 + F5: 7,8,9 # D6: 2,4 => CTR => D6: 8,9
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 # F9: 5,8 => UNS
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 # F9: 4 => CTR => F9: 5,8
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # A8: 5,8 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # A8: 1,3 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # F2: 4,5 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # F2: 1,9 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # G2: 4,5 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # G2: 1,8,9 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # H2: 3,9 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # I2: 3,9 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # I4: 3,9 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # I4: 8 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # D4: 8,9 => UNS
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # F4: 8,9 => UNS
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 # H6: 8,9 => CTR => H6: 3
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 # D4: 8,9 => UNS
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 # F4: 8,9 => CTR => F4: 1
* INC # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 # C5: 8,9 => UNS
* DIS # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 # C5: 1,6 => CTR => C5: 8,9
* PRF # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 + C5: 8,9 # H2: 8,9 => SOL
* STA # E8: 7 + F5: 7,8,9 + D6: 8,9 + F9: 5,8 + H6: 3 + F4: 1 + C5: 8,9 + H2: 8,9
* CNT  24 HDP CHAINS /  25 HYP OPENED