Analysis of xx-ph-01054281-13_07-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..5...9......7....9..9.4..7...4.8..3....2..1....7..4..36...3....8.....74.. initial

Autosolve

position: 98.7..6..5...9...7..7....9..9.4..7...4.8..3....2..1....7..4..36...3...78.....74.. 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 H6,I6: 4..:

* DIS # H6: 4 # G6: 5,9 => CTR => G6: 8
* DIS # H6: 4 + G6: 8 # D6: 6 => CTR => D6: 5,9
* DIS # H6: 4 + G6: 8 + D6: 5,9 # F1: 3,4 => CTR => F1: 2,5
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 # C1: 1 => CTR => C1: 3,4
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 # G3: 1,2 => CTR => G3: 5
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 # D2: 1,2 => CTR => D2: 6
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 # B2: 3 => CTR => B2: 1,2
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 # G7: 1,2 => CTR => G7: 9
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 # F3: 8 => CTR => F3: 3,4
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 + F3: 3,4 # E1: 2,5 => CTR => E1: 1
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 + F3: 3,4 + E1: 1 => CTR => H6: 5,6,8
* STA H6: 5,6,8
* CNT  11 HDP CHAINS /  28 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...9......7....9..9.4..7...4.8..3....2..1....7..4..36...3....8.....74.. initial
98.7..6..5...9...7..7....9..9.4..7...4.8..3....2..1....7..4..36...3...78.....74.. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
I1,I3: 3.. / I1 = 3  =>  1 pairs (_) / I3 = 3  =>  0 pairs (_)
H6,I6: 4.. / H6 = 4  =>  3 pairs (_) / I6 = 4  =>  0 pairs (_)
A8,C8: 4.. / A8 = 4  =>  0 pairs (_) / C8 = 4  =>  1 pairs (_)
A3,A8: 4.. / A3 = 4  =>  1 pairs (_) / A8 = 4  =>  0 pairs (_)
A5,A6: 7.. / A5 = 7  =>  0 pairs (_) / A6 = 7  =>  1 pairs (_)
E5,E6: 7.. / E5 = 7  =>  1 pairs (_) / E6 = 7  =>  0 pairs (_)
A5,E5: 7.. / A5 = 7  =>  0 pairs (_) / E5 = 7  =>  1 pairs (_)
A6,E6: 7.. / A6 = 7  =>  1 pairs (_) / E6 = 7  =>  0 pairs (_)
F7,E9: 8.. / F7 = 8  =>  1 pairs (_) / E9 = 8  =>  0 pairs (_)
E3,E9: 8.. / E3 = 8  =>  1 pairs (_) / E9 = 8  =>  0 pairs (_)
F5,D6: 9.. / F5 = 9  =>  1 pairs (_) / D6 = 9  =>  2 pairs (_)
F5,I5: 9.. / F5 = 9  =>  1 pairs (_) / I5 = 9  =>  2 pairs (_)
* DURATION: 0:00:10.625952  START: 01:27:19.097624  END: 01:27:29.723576 2020-10-04
* CP COUNT: (12)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
H6,I6: 4.. / H6 = 4 ==>  0 pairs (X) / I6 = 4  =>  0 pairs (_)
F5,I5: 9.. / F5 = 9 ==>  1 pairs (_) / I5 = 9 ==>  2 pairs (_)
F5,D6: 9.. / F5 = 9 ==>  1 pairs (_) / D6 = 9 ==>  2 pairs (_)
E3,E9: 8.. / E3 = 8 ==>  1 pairs (_) / E9 = 8 ==>  0 pairs (_)
F7,E9: 8.. / F7 = 8 ==>  1 pairs (_) / E9 = 8 ==>  0 pairs (_)
A6,E6: 7.. / A6 = 7 ==>  1 pairs (_) / E6 = 7 ==>  0 pairs (_)
A5,E5: 7.. / A5 = 7 ==>  0 pairs (_) / E5 = 7 ==>  1 pairs (_)
E5,E6: 7.. / E5 = 7 ==>  1 pairs (_) / E6 = 7 ==>  0 pairs (_)
A5,A6: 7.. / A5 = 7 ==>  0 pairs (_) / A6 = 7 ==>  1 pairs (_)
A3,A8: 4.. / A3 = 4 ==>  1 pairs (_) / A8 = 4 ==>  0 pairs (_)
A8,C8: 4.. / A8 = 4 ==>  0 pairs (_) / C8 = 4 ==>  1 pairs (_)
I1,I3: 3.. / I1 = 3 ==>  1 pairs (_) / I3 = 3 ==>  0 pairs (_)
* DURATION: 0:01:41.388382  START: 01:27:29.724373  END: 01:29:11.112755 2020-10-04
* REASONING H6,I6: 4..
* DIS # H6: 4 # G6: 5,9 => CTR => G6: 8
* DIS # H6: 4 + G6: 8 # D6: 6 => CTR => D6: 5,9
* DIS # H6: 4 + G6: 8 + D6: 5,9 # F1: 3,4 => CTR => F1: 2,5
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 # C1: 1 => CTR => C1: 3,4
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 # G3: 1,2 => CTR => G3: 5
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 # D2: 1,2 => CTR => D2: 6
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 # B2: 3 => CTR => B2: 1,2
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 # G7: 1,2 => CTR => G7: 9
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 # F3: 8 => CTR => F3: 3,4
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 + F3: 3,4 # E1: 2,5 => CTR => E1: 1
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 + F3: 3,4 + E1: 1 => CTR => H6: 5,6,8
* STA H6: 5,6,8
* CNT  11 HDP CHAINS /  28 HYP OPENED
* DCP COUNT: (12)
* CLUE FOUND

Header Info

1054281;13_07;GP;24;11.50;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for H6,I6: 4..:

* INC # H6: 4 # C1: 3,4 => UNS
* INC # H6: 4 # F1: 3,4 => UNS
* INC # H6: 4 # A3: 3,4 => UNS
* INC # H6: 4 # F3: 3,4 => UNS
* INC # H6: 4 # I5: 5,9 => UNS
* DIS # H6: 4 # G6: 5,9 => CTR => G6: 8
* INC # H6: 4 + G6: 8 # I5: 5,9 => UNS
* INC # H6: 4 + G6: 8 # I5: 1,2 => UNS
* INC # H6: 4 + G6: 8 # D6: 5,9 => UNS
* DIS # H6: 4 + G6: 8 # D6: 6 => CTR => D6: 5,9
* INC # H6: 4 + G6: 8 + D6: 5,9 # I5: 5,9 => UNS
* INC # H6: 4 + G6: 8 + D6: 5,9 # I5: 1,2 => UNS
* INC # H6: 4 + G6: 8 + D6: 5,9 # C1: 3,4 => UNS
* DIS # H6: 4 + G6: 8 + D6: 5,9 # F1: 3,4 => CTR => F1: 2,5
* INC # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 # C1: 3,4 => UNS
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 # C1: 1 => CTR => C1: 3,4
* INC # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 # H1: 1,2 => UNS
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 # G3: 1,2 => CTR => G3: 5
* INC # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 # B2: 1,2 => UNS
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 # D2: 1,2 => CTR => D2: 6
* INC # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 # B2: 1,2 => UNS
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 # B2: 3 => CTR => B2: 1,2
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 # G7: 1,2 => CTR => G7: 9
* INC # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 # F3: 3,4 => UNS
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 # F3: 8 => CTR => F3: 3,4
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 + F3: 3,4 # E1: 2,5 => CTR => E1: 1
* DIS # H6: 4 + G6: 8 + D6: 5,9 + F1: 2,5 + C1: 3,4 + G3: 5 + D2: 6 + B2: 1,2 + G7: 9 + F3: 3,4 + E1: 1 => CTR => H6: 5,6,8
* INC H6: 5,6,8 # I6: 4 => UNS
* STA H6: 5,6,8
* CNT  28 HDP CHAINS /  28 HYP OPENED

Full list of HDP chains traversed for F5,I5: 9..:

* INC # I5: 9 # H4: 5,8 => UNS
* INC # I5: 9 # H6: 5,8 => UNS
* INC # I5: 9 # G3: 5,8 => UNS
* INC # I5: 9 # G3: 1,2 => UNS
* INC # I5: 9 # H6: 4,5 => UNS
* INC # I5: 9 # H6: 6,8 => UNS
* INC # I5: 9 # I1: 4,5 => UNS
* INC # I5: 9 # I3: 4,5 => UNS
* INC # I5: 9 => UNS
* INC # F5: 9 # E4: 5,6 => UNS
* INC # F5: 9 # F4: 5,6 => UNS
* INC # F5: 9 # E5: 5,6 => UNS
* INC # F5: 9 # E6: 5,6 => UNS
* INC # F5: 9 # B6: 5,6 => UNS
* INC # F5: 9 # H6: 5,6 => UNS
* INC # F5: 9 # D3: 5,6 => UNS
* INC # F5: 9 # D9: 5,6 => UNS
* INC # F5: 9 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for F5,D6: 9..:

* INC # D6: 9 # H4: 5,8 => UNS
* INC # D6: 9 # H6: 5,8 => UNS
* INC # D6: 9 # G3: 5,8 => UNS
* INC # D6: 9 # G3: 1,2 => UNS
* INC # D6: 9 # H6: 4,5 => UNS
* INC # D6: 9 # H6: 6,8 => UNS
* INC # D6: 9 # I1: 4,5 => UNS
* INC # D6: 9 # I3: 4,5 => UNS
* INC # D6: 9 => UNS
* INC # F5: 9 # E4: 5,6 => UNS
* INC # F5: 9 # F4: 5,6 => UNS
* INC # F5: 9 # E5: 5,6 => UNS
* INC # F5: 9 # E6: 5,6 => UNS
* INC # F5: 9 # B6: 5,6 => UNS
* INC # F5: 9 # H6: 5,6 => UNS
* INC # F5: 9 # D3: 5,6 => UNS
* INC # F5: 9 # D9: 5,6 => UNS
* INC # F5: 9 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for E3,E9: 8..:

* INC # E3: 8 # A8: 1,2 => UNS
* INC # E3: 8 # B8: 1,2 => UNS
* INC # E3: 8 # A9: 1,2 => UNS
* INC # E3: 8 # B9: 1,2 => UNS
* INC # E3: 8 # D7: 1,2 => UNS
* INC # E3: 8 # G7: 1,2 => UNS
* INC # E3: 8 # A3: 1,2 => UNS
* INC # E3: 8 # A3: 3,4,6 => UNS
* INC # E3: 8 => UNS
* INC # E9: 8 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for F7,E9: 8..:

* INC # F7: 8 # A8: 1,2 => UNS
* INC # F7: 8 # B8: 1,2 => UNS
* INC # F7: 8 # A9: 1,2 => UNS
* INC # F7: 8 # B9: 1,2 => UNS
* INC # F7: 8 # D7: 1,2 => UNS
* INC # F7: 8 # G7: 1,2 => UNS
* INC # F7: 8 # A3: 1,2 => UNS
* INC # F7: 8 # A3: 3,4,6 => UNS
* INC # F7: 8 => UNS
* INC # E9: 8 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for A6,E6: 7..:

* INC # A6: 7 # A4: 1,6 => UNS
* INC # A6: 7 # C4: 1,6 => UNS
* INC # A6: 7 # C5: 1,6 => UNS
* INC # A6: 7 # H5: 1,6 => UNS
* INC # A6: 7 # H5: 2,5 => UNS
* INC # A6: 7 # A3: 1,6 => UNS
* INC # A6: 7 # A8: 1,6 => UNS
* INC # A6: 7 # A9: 1,6 => UNS
* INC # A6: 7 => UNS
* INC # E6: 7 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for A5,E5: 7..:

* INC # E5: 7 # A4: 1,6 => UNS
* INC # E5: 7 # C4: 1,6 => UNS
* INC # E5: 7 # C5: 1,6 => UNS
* INC # E5: 7 # H5: 1,6 => UNS
* INC # E5: 7 # H5: 2,5 => UNS
* INC # E5: 7 # A3: 1,6 => UNS
* INC # E5: 7 # A8: 1,6 => UNS
* INC # E5: 7 # A9: 1,6 => UNS
* INC # E5: 7 => UNS
* INC # A5: 7 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for E5,E6: 7..:

* INC # E5: 7 # A4: 1,6 => UNS
* INC # E5: 7 # C4: 1,6 => UNS
* INC # E5: 7 # C5: 1,6 => UNS
* INC # E5: 7 # H5: 1,6 => UNS
* INC # E5: 7 # H5: 2,5 => UNS
* INC # E5: 7 # A3: 1,6 => UNS
* INC # E5: 7 # A8: 1,6 => UNS
* INC # E5: 7 # A9: 1,6 => UNS
* INC # E5: 7 => UNS
* INC # E6: 7 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for A5,A6: 7..:

* INC # A6: 7 # A4: 1,6 => UNS
* INC # A6: 7 # C4: 1,6 => UNS
* INC # A6: 7 # C5: 1,6 => UNS
* INC # A6: 7 # H5: 1,6 => UNS
* INC # A6: 7 # H5: 2,5 => UNS
* INC # A6: 7 # A3: 1,6 => UNS
* INC # A6: 7 # A8: 1,6 => UNS
* INC # A6: 7 # A9: 1,6 => UNS
* INC # A6: 7 => UNS
* INC # A5: 7 => UNS
* CNT  10 HDP CHAINS /  10 HYP OPENED

Full list of HDP chains traversed for A3,A8: 4..:

* INC # A3: 4 # B2: 1,3 => UNS
* INC # A3: 4 # C2: 1,3 => UNS
* INC # A3: 4 # B3: 1,3 => UNS
* INC # A3: 4 # E1: 1,3 => UNS
* INC # A3: 4 # I1: 1,3 => UNS
* INC # A3: 4 # C4: 1,3 => UNS
* INC # A3: 4 # C9: 1,3 => UNS
* INC # A3: 4 => UNS
* INC # A8: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for A8,C8: 4..:

* INC # C8: 4 # B2: 1,3 => UNS
* INC # C8: 4 # C2: 1,3 => UNS
* INC # C8: 4 # B3: 1,3 => UNS
* INC # C8: 4 # E1: 1,3 => UNS
* INC # C8: 4 # I1: 1,3 => UNS
* INC # C8: 4 # C4: 1,3 => UNS
* INC # C8: 4 # C9: 1,3 => UNS
* INC # C8: 4 => UNS
* INC # A8: 4 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for I1,I3: 3..:

* INC # I1: 3 # C2: 1,4 => UNS
* INC # I1: 3 # A3: 1,4 => UNS
* INC # I1: 3 # H1: 1,4 => UNS
* INC # I1: 3 # H1: 2,5 => UNS
* INC # I1: 3 # C8: 1,4 => UNS
* INC # I1: 3 # C8: 5,6,9 => UNS
* INC # I1: 3 => UNS
* INC # I3: 3 => UNS
* CNT   8 HDP CHAINS /   8 HYP OPENED