Analysis of xx-ph-00011333-kz0-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....6.....7....7.5.....7..4..3...69..8.......2..1.4...1.2...84..5......3...4 initial

Autosolve

position: 98.7.....6.....7....7.5.....7..4..3...69..8.......2..1.4...1.2...84..5......3...4 autosolve
Autosolve

Pair Reduction Variants

Deep Pair Reduction

Deep Pair Reduction

Time used: 0:00:00.127280

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: 0:00:00.000016

List of important HDP chains detected for D4,E5: 1..:

* DIS # D4: 1 # A5: 3,5 => CTR => A5: 1,2,4
* DIS # D4: 1 + A5: 1,2,4 # B5: 3,5 => CTR => B5: 1,2
* CNT   2 HDP CHAINS /  38 HYP OPENED

List of important HDP chains detected for B8,B9: 6..:

* DIS # B8: 6 # E8: 7,9 => CTR => E8: 2
* CNT   1 HDP CHAINS /  25 HYP OPENED

List of important HDP chains detected for A5,H5: 4..:

* DIS # A5: 4 # I5: 5,7 => CTR => I5: 2
* DIS # A5: 4 + I5: 2 # G6: 6,9 => CTR => G6: 4
* PRF # A5: 4 + I5: 2 + G6: 4 # G7: 6,9 => SOL
* STA # A5: 4 + I5: 2 + G6: 4 + G7: 6,9
* CNT   3 HDP CHAINS /  12 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....7.5.....7..4..3...69..8.......2..1.4...1.2...84..5......3...4 initial
98.7.....6.....7....7.5.....7..4..3...69..8.......2..1.4...1.2...84..5......3...4 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* PAIRS (1)
E5: 1,7

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
D4,E5: 1.. / D4 = 1  =>  4 pairs (_) / E5 = 1  =>  1 pairs (_)
E8,D9: 2.. / E8 = 2  =>  2 pairs (_) / D9 = 2  =>  1 pairs (_)
F5,D6: 3.. / F5 = 3  =>  2 pairs (_) / D6 = 3  =>  3 pairs (_)
A5,H5: 4.. / A5 = 4  =>  2 pairs (_) / H5 = 4  =>  2 pairs (_)
B8,B9: 6.. / B8 = 6  =>  2 pairs (_) / B9 = 6  =>  2 pairs (_)
E6,H6: 7.. / E6 = 7  =>  2 pairs (_) / H6 = 7  =>  4 pairs (_)
A4,A6: 8.. / A4 = 8  =>  2 pairs (_) / A6 = 8  =>  2 pairs (_)
I7,H9: 8.. / I7 = 8  =>  2 pairs (_) / H9 = 8  =>  1 pairs (_)
* DURATION: 0:00:04.454726  START: 15:57:15.557857  END: 15:57:20.012583 2020-12-01
* CP COUNT: (8)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
E6,H6: 7.. / E6 = 7 ==>  2 pairs (_) / H6 = 7 ==>  4 pairs (_)
D4,E5: 1.. / D4 = 1 ==>  5 pairs (_) / E5 = 1 ==>  1 pairs (_)
F5,D6: 3.. / F5 = 3 ==>  2 pairs (_) / D6 = 3 ==>  3 pairs (_)
A4,A6: 8.. / A4 = 8 ==>  2 pairs (_) / A6 = 8 ==>  2 pairs (_)
B8,B9: 6.. / B8 = 6 ==>  3 pairs (_) / B9 = 6 ==>  2 pairs (_)
A5,H5: 4.. / A5 = 4 ==>  0 pairs (*) / H5 = 4  =>  0 pairs (X)
* DURATION: 0:00:55.901122  START: 15:57:20.581913  END: 15:58:16.483035 2020-12-01
* REASONING D4,E5: 1..
* DIS # D4: 1 # A5: 3,5 => CTR => A5: 1,2,4
* DIS # D4: 1 + A5: 1,2,4 # B5: 3,5 => CTR => B5: 1,2
* CNT   2 HDP CHAINS /  38 HYP OPENED
* REASONING B8,B9: 6..
* DIS # B8: 6 # E8: 7,9 => CTR => E8: 2
* CNT   1 HDP CHAINS /  25 HYP OPENED
* REASONING A5,H5: 4..
* DIS # A5: 4 # I5: 5,7 => CTR => I5: 2
* DIS # A5: 4 + I5: 2 # G6: 6,9 => CTR => G6: 4
* PRF # A5: 4 + I5: 2 + G6: 4 # G7: 6,9 => SOL
* STA # A5: 4 + I5: 2 + G6: 4 + G7: 6,9
* CNT   3 HDP CHAINS /  12 HYP OPENED
* DCP COUNT: (6)
* SOLUTION FOUND

Header Info

11333;kz0;GP;23;11.30;11.30;10.00

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for E6,H6: 7..:

* INC # H6: 7 # D4: 6,8 => UNS
* INC # H6: 7 # F4: 6,8 => UNS
* INC # H6: 7 # D6: 6,8 => UNS
* INC # H6: 7 # E7: 6,8 => UNS
* INC # H6: 7 # E7: 7,9 => UNS
* INC # H6: 7 # A5: 4,5 => UNS
* INC # H6: 7 # A5: 1,2,3 => UNS
* INC # H6: 7 # H1: 4,5 => UNS
* INC # H6: 7 # H2: 4,5 => UNS
* INC # H6: 7 # I4: 2,5 => UNS
* INC # H6: 7 # I4: 6,9 => UNS
* INC # H6: 7 # A5: 2,5 => UNS
* INC # H6: 7 # B5: 2,5 => UNS
* INC # H6: 7 # I1: 2,5 => UNS
* INC # H6: 7 # I2: 2,5 => UNS
* INC # H6: 7 => UNS
* INC # E6: 7 # D3: 2,6 => UNS
* INC # E6: 7 # D3: 1,3,8 => UNS
* INC # E6: 7 # G1: 2,6 => UNS
* INC # E6: 7 # I1: 2,6 => UNS
* INC # E6: 7 # E8: 2,6 => UNS
* INC # E6: 7 # E8: 9 => UNS
* INC # E6: 7 # D6: 3,5 => UNS
* INC # E6: 7 # D6: 6,8 => UNS
* INC # E6: 7 # A5: 3,5 => UNS
* INC # E6: 7 # B5: 3,5 => UNS
* INC # E6: 7 => UNS
* CNT  27 HDP CHAINS /  27 HYP OPENED

Full list of HDP chains traversed for D4,E5: 1..:

* INC # D4: 1 # D6: 3,5 => UNS
* INC # D4: 1 # D6: 6,8 => UNS
* DIS # D4: 1 # A5: 3,5 => CTR => A5: 1,2,4
* DIS # D4: 1 + A5: 1,2,4 # B5: 3,5 => CTR => B5: 1,2
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # F4: 6,8 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # D6: 6,8 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # E7: 6,8 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # E7: 9 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # H1: 4,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # H2: 4,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # I1: 2,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # I2: 2,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # F3: 4,6 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # F3: 8,9 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # G1: 4,6 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # H1: 4,6 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # A5: 1,2 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # A5: 4 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # B2: 1,2 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # B3: 1,2 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # B8: 1,2 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # B9: 1,2 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # F4: 6,8 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # D6: 6,8 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # E7: 6,8 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # E7: 9 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # H1: 4,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # H2: 4,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # I1: 2,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 # I2: 2,5 => UNS
* INC # D4: 1 + A5: 1,2,4 + B5: 1,2 => UNS
* INC # E5: 1 # D3: 2,6 => UNS
* INC # E5: 1 # D3: 1,3,8 => UNS
* INC # E5: 1 # G1: 2,6 => UNS
* INC # E5: 1 # I1: 2,6 => UNS
* INC # E5: 1 # E8: 2,6 => UNS
* INC # E5: 1 # E8: 7,9 => UNS
* INC # E5: 1 => UNS
* CNT  38 HDP CHAINS /  38 HYP OPENED

Full list of HDP chains traversed for F5,D6: 3..:

* INC # D6: 3 # C4: 5,9 => UNS
* INC # D6: 3 # C6: 5,9 => UNS
* INC # D6: 3 # H6: 5,9 => UNS
* INC # D6: 3 # H6: 4,6,7 => UNS
* INC # D6: 3 # B9: 5,9 => UNS
* INC # D6: 3 # B9: 1,2,6 => UNS
* INC # D6: 3 # H5: 5,7 => UNS
* INC # D6: 3 # I5: 5,7 => UNS
* INC # D6: 3 # F9: 5,7 => UNS
* INC # D6: 3 # F9: 6,8,9 => UNS
* INC # D6: 3 => UNS
* INC # F5: 3 # F3: 4,6 => UNS
* INC # F5: 3 # F3: 8,9 => UNS
* INC # F5: 3 # G1: 4,6 => UNS
* INC # F5: 3 # H1: 4,6 => UNS
* INC # F5: 3 => UNS
* CNT  16 HDP CHAINS /  16 HYP OPENED

Full list of HDP chains traversed for A4,A6: 8..:

* INC # A4: 8 # D4: 5,6 => UNS
* INC # A4: 8 # D6: 5,6 => UNS
* INC # A4: 8 # I4: 5,6 => UNS
* INC # A4: 8 # I4: 2,9 => UNS
* INC # A4: 8 # F9: 5,6 => UNS
* INC # A4: 8 # F9: 7,8,9 => UNS
* INC # A4: 8 => UNS
* INC # A6: 8 # H6: 6,7 => UNS
* INC # A6: 8 # H6: 4,5,9 => UNS
* INC # A6: 8 # E7: 6,7 => UNS
* INC # A6: 8 # E8: 6,7 => UNS
* INC # A6: 8 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for B8,B9: 6..:

* INC # B8: 6 # E7: 7,9 => UNS
* DIS # B8: 6 # E8: 7,9 => CTR => E8: 2
* INC # B8: 6 + E8: 2 # F9: 7,9 => UNS
* INC # B8: 6 + E8: 2 # H8: 7,9 => UNS
* INC # B8: 6 + E8: 2 # I8: 7,9 => UNS
* INC # B8: 6 + E8: 2 # E7: 7,9 => UNS
* INC # B8: 6 + E8: 2 # F9: 7,9 => UNS
* INC # B8: 6 + E8: 2 # H8: 7,9 => UNS
* INC # B8: 6 + E8: 2 # I8: 7,9 => UNS
* INC # B8: 6 + E8: 2 # D3: 1,6 => UNS
* INC # B8: 6 + E8: 2 # D3: 2,3,8 => UNS
* INC # B8: 6 + E8: 2 # G1: 1,6 => UNS
* INC # B8: 6 + E8: 2 # H1: 1,6 => UNS
* INC # B8: 6 + E8: 2 # E7: 7,9 => UNS
* INC # B8: 6 + E8: 2 # F9: 7,9 => UNS
* INC # B8: 6 + E8: 2 # H8: 7,9 => UNS
* INC # B8: 6 + E8: 2 # I8: 7,9 => UNS
* INC # B8: 6 + E8: 2 => UNS
* INC # B9: 6 # H8: 1,9 => UNS
* INC # B9: 6 # H9: 1,9 => UNS
* INC # B9: 6 # C9: 1,9 => UNS
* INC # B9: 6 # C9: 2,5 => UNS
* INC # B9: 6 # G3: 1,9 => UNS
* INC # B9: 6 # G3: 2,3,4,6 => UNS
* INC # B9: 6 => UNS
* CNT  25 HDP CHAINS /  25 HYP OPENED

Full list of HDP chains traversed for A5,H5: 4..:

* DIS # A5: 4 # I5: 5,7 => CTR => I5: 2
* INC # A5: 4 + I5: 2 # H6: 5,7 => UNS
* INC # A5: 4 + I5: 2 # H6: 5,7 => UNS
* INC # A5: 4 + I5: 2 # H6: 4,6,9 => UNS
* INC # A5: 4 + I5: 2 # F5: 5,7 => UNS
* INC # A5: 4 + I5: 2 # F5: 3 => UNS
* INC # A5: 4 + I5: 2 # I4: 6,9 => UNS
* DIS # A5: 4 + I5: 2 # G6: 6,9 => CTR => G6: 4
* INC # A5: 4 + I5: 2 + G6: 4 # H6: 6,9 => UNS
* INC # A5: 4 + I5: 2 + G6: 4 # G3: 6,9 => UNS
* PRF # A5: 4 + I5: 2 + G6: 4 # G7: 6,9 => SOL
* STA # A5: 4 + I5: 2 + G6: 4 + G7: 6,9
* CNT  11 HDP CHAINS /  12 HYP OPENED