Analysis of xx-ph-00001492-tarx0017-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: ........3..6..21...7..1..5......6.....1.4.2..8..2.9....5.....8...49..6..3.......7 initial

Autosolve

position: ........3..6..21...7..1..5....1.6.....1.4.2..8..2.9....5.....8...49..6..3.......7 autosolve
Autosolve

Pair Reduction Variants

Deep Pair Reduction

Deep Pair Reduction

Time used: 0:00:00.241648

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: 0:00:00.000018

List of important HDP chains detected for E1,E2: 9..:

* DIS # E2: 9 # D2: 4,5 => CTR => D2: 3,7,8
* CNT   1 HDP CHAINS /  41 HYP OPENED

List of important HDP chains detected for B2,C3: 3..:

* DIS # C3: 3 # D2: 4,8 => CTR => D2: 3,5,7
* CNT   1 HDP CHAINS /  42 HYP OPENED

List of important HDP chains detected for I8,G9: 5..:

* DIS # I8: 5 # G4: 4,9 => CTR => G4: 3,5,7,8
* CNT   1 HDP CHAINS /  23 HYP OPENED

List of important HDP chains detected for G1,H2: 7..:

* DIS # G1: 7 # A2: 4,9 => CTR => A2: 5
* PRF # G1: 7 + A2: 5 # B2: 4,9 => SOL
* STA # G1: 7 + A2: 5 + B2: 4,9
* CNT   2 HDP CHAINS /   5 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

........3..6..21...7..1..5......6.....1.4.2..8..2.9....5.....8...49..6..3.......7 initial
........3..6..21...7..1..5....1.6.....1.4.2..8..2.9....5.....8...49..6..3.......7 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* PAIRS (2)
H1: 2,6
I3: 2,6

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
A1,B1: 1.. / A1 = 1  =>  3 pairs (_) / B1 = 1  =>  3 pairs (_)
H6,I6: 1.. / H6 = 1  =>  3 pairs (_) / I6 = 1  =>  3 pairs (_)
H1,I3: 2.. / H1 = 2  =>  1 pairs (_) / I3 = 2  =>  2 pairs (_)
B2,C3: 3.. / B2 = 3  =>  4 pairs (_) / C3 = 3  =>  4 pairs (_)
G7,H8: 3.. / G7 = 3  =>  3 pairs (_) / H8 = 3  =>  3 pairs (_)
I8,G9: 5.. / I8 = 5  =>  3 pairs (_) / G9 = 5  =>  3 pairs (_)
H1,I3: 6.. / H1 = 6  =>  2 pairs (_) / I3 = 6  =>  1 pairs (_)
A7,B9: 6.. / A7 = 6  =>  2 pairs (_) / B9 = 6  =>  6 pairs (_)
D3,I3: 6.. / D3 = 6  =>  2 pairs (_) / I3 = 6  =>  1 pairs (_)
A5,A7: 6.. / A5 = 6  =>  6 pairs (_) / A7 = 6  =>  2 pairs (_)
G1,H2: 7.. / G1 = 7  =>  3 pairs (_) / H2 = 7  =>  2 pairs (_)
E1,E2: 9.. / E1 = 9  =>  2 pairs (_) / E2 = 9  =>  7 pairs (_)
* DURATION: 0:00:13.654221  START: 19:58:08.994874  END: 19:58:22.649095 2020-11-28
* CP COUNT: (12)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
E1,E2: 9.. / E1 = 9 ==>  2 pairs (_) / E2 = 9 ==>  6 pairs (_)
A5,A7: 6.. / A5 = 6 ==>  6 pairs (_) / A7 = 6 ==>  2 pairs (_)
A7,B9: 6.. / A7 = 6 ==>  2 pairs (_) / B9 = 6 ==>  6 pairs (_)
B2,C3: 3.. / B2 = 3 ==>  4 pairs (_) / C3 = 3 ==>  4 pairs (_)
I8,G9: 5.. / I8 = 5 ==>  3 pairs (_) / G9 = 5 ==>  3 pairs (_)
G7,H8: 3.. / G7 = 3 ==>  3 pairs (_) / H8 = 3 ==>  3 pairs (_)
H6,I6: 1.. / H6 = 1 ==>  3 pairs (_) / I6 = 1 ==>  3 pairs (_)
A1,B1: 1.. / A1 = 1 ==>  3 pairs (_) / B1 = 1 ==>  3 pairs (_)
G1,H2: 7.. / G1 = 7 ==>  0 pairs (*) / H2 = 7  =>  0 pairs (X)
* DURATION: 0:02:22.014165  START: 19:58:23.691528  END: 20:00:45.705693 2020-11-28
* REASONING E1,E2: 9..
* DIS # E2: 9 # D2: 4,5 => CTR => D2: 3,7,8
* CNT   1 HDP CHAINS /  41 HYP OPENED
* REASONING B2,C3: 3..
* DIS # C3: 3 # D2: 4,8 => CTR => D2: 3,5,7
* CNT   1 HDP CHAINS /  42 HYP OPENED
* REASONING I8,G9: 5..
* DIS # I8: 5 # G4: 4,9 => CTR => G4: 3,5,7,8
* CNT   1 HDP CHAINS /  23 HYP OPENED
* REASONING G1,H2: 7..
* DIS # G1: 7 # A2: 4,9 => CTR => A2: 5
* PRF # G1: 7 + A2: 5 # B2: 4,9 => SOL
* STA # G1: 7 + A2: 5 + B2: 4,9
* CNT   2 HDP CHAINS /   5 HYP OPENED
* DCP COUNT: (9)
* SOLUTION FOUND

Header Info

1492;tarx0017;tarx;21;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for E1,E2: 9..:

* INC # E2: 9 # A1: 4,5 => UNS
* INC # E2: 9 # A1: 1,2,9 => UNS
* DIS # E2: 9 # D2: 4,5 => CTR => D2: 3,7,8
* INC # E2: 9 + D2: 3,7,8 # G1: 4,7 => UNS
* INC # E2: 9 + D2: 3,7,8 # G1: 8,9 => UNS
* INC # E2: 9 + D2: 3,7,8 # H4: 4,7 => UNS
* INC # E2: 9 + D2: 3,7,8 # H6: 4,7 => UNS
* INC # E2: 9 + D2: 3,7,8 # G1: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # G3: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # B2: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # B2: 3 => UNS
* INC # E2: 9 + D2: 3,7,8 # I4: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # I4: 5,9 => UNS
* INC # E2: 9 + D2: 3,7,8 # D7: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # F7: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # G4: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # G6: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # D9: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # F9: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # G4: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # G6: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # G1: 4,7 => UNS
* INC # E2: 9 + D2: 3,7,8 # G1: 8,9 => UNS
* INC # E2: 9 + D2: 3,7,8 # H4: 4,7 => UNS
* INC # E2: 9 + D2: 3,7,8 # H6: 4,7 => UNS
* INC # E2: 9 + D2: 3,7,8 # G1: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # G3: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # B2: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # B2: 3 => UNS
* INC # E2: 9 + D2: 3,7,8 # I4: 4,8 => UNS
* INC # E2: 9 + D2: 3,7,8 # I4: 5,9 => UNS
* INC # E2: 9 + D2: 3,7,8 # D7: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # F7: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # G4: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # G6: 3,4 => UNS
* INC # E2: 9 + D2: 3,7,8 # D9: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # F9: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # G4: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 # G6: 4,5 => UNS
* INC # E2: 9 + D2: 3,7,8 => UNS
* INC # E1: 9 => UNS
* CNT  41 HDP CHAINS /  41 HYP OPENED

Full list of HDP chains traversed for A5,A7: 6..:

* INC # A5: 6 # B4: 3,9 => UNS
* INC # A5: 6 # C4: 3,9 => UNS
* INC # A5: 6 # H5: 3,9 => UNS
* INC # A5: 6 # H5: 7 => UNS
* INC # A5: 6 # B2: 3,9 => UNS
* INC # A5: 6 # B2: 4,8 => UNS
* INC # A5: 6 # B4: 3,4 => UNS
* INC # A5: 6 # B4: 2,9 => UNS
* INC # A5: 6 # G6: 3,4 => UNS
* INC # A5: 6 # G6: 5,7 => UNS
* INC # A5: 6 # B2: 3,4 => UNS
* INC # A5: 6 # B2: 8,9 => UNS
* INC # A5: 6 => UNS
* INC # A7: 6 => UNS
* CNT  14 HDP CHAINS /  14 HYP OPENED

Full list of HDP chains traversed for A7,B9: 6..:

* INC # B9: 6 # B4: 3,9 => UNS
* INC # B9: 6 # C4: 3,9 => UNS
* INC # B9: 6 # H5: 3,9 => UNS
* INC # B9: 6 # H5: 7 => UNS
* INC # B9: 6 # B2: 3,9 => UNS
* INC # B9: 6 # B2: 4,8 => UNS
* INC # B9: 6 # B4: 3,4 => UNS
* INC # B9: 6 # B4: 2,9 => UNS
* INC # B9: 6 # G6: 3,4 => UNS
* INC # B9: 6 # G6: 5,7 => UNS
* INC # B9: 6 # B2: 3,4 => UNS
* INC # B9: 6 # B2: 8,9 => UNS
* INC # B9: 6 => UNS
* INC # A7: 6 => UNS
* CNT  14 HDP CHAINS /  14 HYP OPENED

Full list of HDP chains traversed for B2,C3: 3..:

* INC # B2: 3 # A5: 6,9 => UNS
* INC # B2: 3 # A5: 5,7 => UNS
* INC # B2: 3 # H5: 6,9 => UNS
* INC # B2: 3 # I5: 6,9 => UNS
* INC # B2: 3 # B9: 6,9 => UNS
* INC # B2: 3 # B9: 1,2,8 => UNS
* INC # B2: 3 # H6: 4,6 => UNS
* INC # B2: 3 # I6: 4,6 => UNS
* INC # B2: 3 => UNS
* INC # C3: 3 # D1: 4,8 => UNS
* INC # C3: 3 # F1: 4,8 => UNS
* DIS # C3: 3 # D2: 4,8 => CTR => D2: 3,5,7
* INC # C3: 3 + D2: 3,5,7 # D3: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # G3: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # G3: 9 => UNS
* INC # C3: 3 + D2: 3,5,7 # F9: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # F9: 1,5 => UNS
* INC # C3: 3 + D2: 3,5,7 # D1: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # F1: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # D3: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # G3: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # G3: 9 => UNS
* INC # C3: 3 + D2: 3,5,7 # F9: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # F9: 1,5 => UNS
* INC # C3: 3 + D2: 3,5,7 # A4: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # C4: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # A5: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # E6: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # G6: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # D1: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # F1: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # D3: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # G3: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # G3: 9 => UNS
* INC # C3: 3 + D2: 3,5,7 # F9: 4,8 => UNS
* INC # C3: 3 + D2: 3,5,7 # F9: 1,5 => UNS
* INC # C3: 3 + D2: 3,5,7 # A4: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # C4: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # A5: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # E6: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 # G6: 5,7 => UNS
* INC # C3: 3 + D2: 3,5,7 => UNS
* CNT  42 HDP CHAINS /  42 HYP OPENED

Full list of HDP chains traversed for I8,G9: 5..:

* INC # I8: 5 # G7: 4,9 => UNS
* INC # I8: 5 # I7: 4,9 => UNS
* INC # I8: 5 # H9: 4,9 => UNS
* INC # I8: 5 # G1: 4,9 => UNS
* INC # I8: 5 # G3: 4,9 => UNS
* DIS # I8: 5 # G4: 4,9 => CTR => G4: 3,5,7,8
* INC # I8: 5 + G4: 3,5,7,8 # G7: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # I7: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # H9: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # G1: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # G3: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # G7: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # I7: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # H9: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # G1: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 # G3: 4,9 => UNS
* INC # I8: 5 + G4: 3,5,7,8 => UNS
* INC # G9: 5 # I7: 1,2 => UNS
* INC # G9: 5 # H8: 1,2 => UNS
* INC # G9: 5 # H9: 1,2 => UNS
* INC # G9: 5 # A8: 1,2 => UNS
* INC # G9: 5 # B8: 1,2 => UNS
* INC # G9: 5 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for G7,H8: 3..:

* INC # G7: 3 # I7: 1,2 => UNS
* INC # G7: 3 # I8: 1,2 => UNS
* INC # G7: 3 # H9: 1,2 => UNS
* INC # G7: 3 # A8: 1,2 => UNS
* INC # G7: 3 # B8: 1,2 => UNS
* INC # G7: 3 => UNS
* INC # H8: 3 # I7: 4,9 => UNS
* INC # H8: 3 # G9: 4,9 => UNS
* INC # H8: 3 # H9: 4,9 => UNS
* INC # H8: 3 # G1: 4,9 => UNS
* INC # H8: 3 # G3: 4,9 => UNS
* INC # H8: 3 # G4: 4,9 => UNS
* INC # H8: 3 => UNS
* CNT  13 HDP CHAINS /  13 HYP OPENED

Full list of HDP chains traversed for H6,I6: 1..:

* INC # H6: 1 # E8: 2,3 => UNS
* INC # H6: 1 # E8: 5,7,8 => UNS
* INC # H6: 1 => UNS
* INC # I6: 1 # E8: 2,5 => UNS
* INC # I6: 1 # E8: 3,7,8 => UNS
* INC # I6: 1 => UNS
* CNT   6 HDP CHAINS /   6 HYP OPENED

Full list of HDP chains traversed for A1,B1: 1..:

* INC # A1: 1 # A7: 2,7 => UNS
* INC # A1: 1 # C7: 2,7 => UNS
* INC # A1: 1 # E8: 2,7 => UNS
* INC # A1: 1 # E8: 3,5,8 => UNS
* INC # A1: 1 # A4: 2,7 => UNS
* INC # A1: 1 # A4: 4,5,9 => UNS
* INC # A1: 1 => UNS
* INC # B1: 1 # B9: 2,8 => UNS
* INC # B1: 1 # C9: 2,8 => UNS
* INC # B1: 1 # E8: 2,8 => UNS
* INC # B1: 1 # E8: 3,5,7 => UNS
* INC # B1: 1 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for G1,H2: 7..:

* INC # G1: 7 # I2: 4,9 => UNS
* INC # G1: 7 # G3: 4,9 => UNS
* DIS # G1: 7 # A2: 4,9 => CTR => A2: 5
* PRF # G1: 7 + A2: 5 # B2: 4,9 => SOL
* STA # G1: 7 + A2: 5 + B2: 4,9
* CNT   4 HDP CHAINS /   5 HYP OPENED