Analysis of xx-ph-00472526-12_12_03-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: ........1.....234...3.1.25.....6.7....1..5..467.8........9.......5..3..238..2..9. initial

Autosolve

position: ........1.....234...3.1.25.....6.7....1..5..467.8........9.......5..3..238..2..9. 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

Time used: 0:00:00.000006

List of important HDP chains detected for G6,I6: 5..:

* PRF # I6: 5 # D9: 6,7 => SOL
* STA # I6: 5 + D9: 6,7
* CNT   1 HDP CHAINS /   8 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

........1.....234...3.1.25.....6.7....1..5..467.8........9.......5..3..238..2..9. initial
........1.....234...3.1.25.....6.7....1..5..467.8........9.......5..3..238..2..9. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
A2,B2: 1.. / A2 = 1  =>  0 pairs (_) / B2 = 1  =>  0 pairs (_)
D4,D5: 2.. / D4 = 2  =>  1 pairs (_) / D5 = 2  =>  3 pairs (_)
C6,H6: 2.. / C6 = 2  =>  4 pairs (_) / H6 = 2  =>  1 pairs (_)
D1,E1: 3.. / D1 = 3  =>  1 pairs (_) / E1 = 3  =>  5 pairs (_)
B4,B5: 3.. / B4 = 3  =>  3 pairs (_) / B5 = 3  =>  2 pairs (_)
H7,I7: 3.. / H7 = 3  =>  1 pairs (_) / I7 = 3  =>  2 pairs (_)
A4,B4: 5.. / A4 = 5  =>  0 pairs (_) / B4 = 5  =>  2 pairs (_)
G6,I6: 5.. / G6 = 5  =>  1 pairs (_) / I6 = 5  =>  2 pairs (_)
E7,D9: 5.. / E7 = 5  =>  0 pairs (_) / D9 = 5  =>  2 pairs (_)
G5,H5: 6.. / G5 = 6  =>  1 pairs (_) / H5 = 6  =>  2 pairs (_)
D5,E5: 7.. / D5 = 7  =>  3 pairs (_) / E5 = 7  =>  2 pairs (_)
A8,B8: 9.. / A8 = 9  =>  1 pairs (_) / B8 = 9  =>  2 pairs (_)
* DURATION: 0:00:08.414919  START: 10:40:02.058009  END: 10:40:10.472928 2020-12-27
* CP COUNT: (12)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
D1,E1: 3.. / D1 = 3 ==>  1 pairs (_) / E1 = 3 ==>  5 pairs (_)
C6,H6: 2.. / C6 = 2 ==>  4 pairs (_) / H6 = 2 ==>  1 pairs (_)
D5,E5: 7.. / D5 = 7 ==>  3 pairs (_) / E5 = 7 ==>  2 pairs (_)
B4,B5: 3.. / B4 = 3 ==>  3 pairs (_) / B5 = 3 ==>  2 pairs (_)
D4,D5: 2.. / D4 = 2 ==>  1 pairs (_) / D5 = 2 ==>  3 pairs (_)
A8,B8: 9.. / A8 = 9 ==>  1 pairs (_) / B8 = 9 ==>  2 pairs (_)
G5,H5: 6.. / G5 = 6 ==>  1 pairs (_) / H5 = 6 ==>  2 pairs (_)
G6,I6: 5.. / G6 = 5  =>  0 pairs (X) / I6 = 5 ==>  0 pairs (*)
* DURATION: 0:01:23.512928  START: 10:40:10.473590  END: 10:41:33.986518 2020-12-27
* REASONING G6,I6: 5..
* PRF # I6: 5 # D9: 6,7 => SOL
* STA # I6: 5 + D9: 6,7
* CNT   1 HDP CHAINS /   8 HYP OPENED
* DCP COUNT: (8)
* SOLUTION FOUND

Header Info

472526;12_12_03;dob;24;11.30;11.30;2.60

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for D1,E1: 3..:

* INC # E1: 3 # B4: 2,3 => UNS
* INC # E1: 3 # B4: 4,5,9 => UNS
* INC # E1: 3 # B5: 2,3 => UNS
* INC # E1: 3 # B5: 9 => UNS
* INC # E1: 3 # F4: 4,9 => UNS
* INC # E1: 3 # F6: 4,9 => UNS
* INC # E1: 3 # C6: 4,9 => UNS
* INC # E1: 3 # C6: 2 => UNS
* INC # E1: 3 # G5: 8,9 => UNS
* INC # E1: 3 # G5: 6 => UNS
* INC # E1: 3 # A4: 8,9 => UNS
* INC # E1: 3 # C4: 8,9 => UNS
* INC # E1: 3 # I2: 8,9 => UNS
* INC # E1: 3 # I3: 8,9 => UNS
* INC # E1: 3 # E7: 4,8 => UNS
* INC # E1: 3 # F7: 4,8 => UNS
* INC # E1: 3 # G8: 4,8 => UNS
* INC # E1: 3 # G8: 1,6 => UNS
* INC # E1: 3 => UNS
* INC # D1: 3 => UNS
* CNT  20 HDP CHAINS /  20 HYP OPENED

Full list of HDP chains traversed for C6,H6: 2..:

* INC # C6: 2 # A4: 8,9 => UNS
* INC # C6: 2 # C4: 8,9 => UNS
* INC # C6: 2 # G5: 8,9 => UNS
* INC # C6: 2 # G5: 6 => UNS
* INC # C6: 2 # A1: 8,9 => UNS
* INC # C6: 2 # A2: 8,9 => UNS
* INC # C6: 2 # A3: 8,9 => UNS
* INC # C6: 2 # B4: 3,9 => UNS
* INC # C6: 2 # B4: 4,5 => UNS
* INC # C6: 2 # E5: 3,9 => UNS
* INC # C6: 2 # E5: 7 => UNS
* INC # C6: 2 # F6: 1,9 => UNS
* INC # C6: 2 # F6: 4 => UNS
* INC # C6: 2 # H4: 1,3 => UNS
* INC # C6: 2 # H4: 2,8 => UNS
* INC # C6: 2 # H7: 1,3 => UNS
* INC # C6: 2 # H7: 6,7,8 => UNS
* INC # C6: 2 => UNS
* INC # H6: 2 # A4: 4,9 => UNS
* INC # H6: 2 # B4: 4,9 => UNS
* INC # H6: 2 # C4: 4,9 => UNS
* INC # H6: 2 # E6: 4,9 => UNS
* INC # H6: 2 # F6: 4,9 => UNS
* INC # H6: 2 # C1: 4,9 => UNS
* INC # H6: 2 # C1: 2,6,7,8 => UNS
* INC # H6: 2 => UNS
* CNT  26 HDP CHAINS /  26 HYP OPENED

Full list of HDP chains traversed for D5,E5: 7..:

* INC # D5: 7 # B2: 5,6 => UNS
* INC # D5: 7 # B2: 1,9 => UNS
* INC # D5: 7 # D9: 5,6 => UNS
* INC # D5: 7 # D9: 1,4 => UNS
* INC # D5: 7 # F1: 4,6 => UNS
* INC # D5: 7 # F3: 4,6 => UNS
* INC # D5: 7 # B3: 4,6 => UNS
* INC # D5: 7 # B3: 9 => UNS
* INC # D5: 7 # D8: 4,6 => UNS
* INC # D5: 7 # D9: 4,6 => UNS
* INC # D5: 7 # E6: 3,9 => UNS
* INC # D5: 7 # E6: 4 => UNS
* INC # D5: 7 # B5: 3,9 => UNS
* INC # D5: 7 # B5: 2 => UNS
* INC # D5: 7 => UNS
* INC # E5: 7 # D4: 2,3 => UNS
* INC # E5: 7 # D4: 1,4 => UNS
* INC # E5: 7 # B5: 2,3 => UNS
* INC # E5: 7 # H5: 2,3 => UNS
* INC # E5: 7 # E7: 4,8 => UNS
* INC # E5: 7 # F7: 4,8 => UNS
* INC # E5: 7 # G8: 4,8 => UNS
* INC # E5: 7 # G8: 1,6 => UNS
* INC # E5: 7 # E1: 4,8 => UNS
* INC # E5: 7 # E1: 3,5,9 => UNS
* INC # E5: 7 => UNS
* CNT  26 HDP CHAINS /  26 HYP OPENED

Full list of HDP chains traversed for B4,B5: 3..:

* INC # B4: 3 # C4: 2,9 => UNS
* INC # B4: 3 # A5: 2,9 => UNS
* INC # B4: 3 # C6: 2,9 => UNS
* INC # B4: 3 # B1: 2,9 => UNS
* INC # B4: 3 # B1: 4,5,6 => UNS
* INC # B4: 3 # G5: 8,9 => UNS
* INC # B4: 3 # G5: 6 => UNS
* INC # B4: 3 # C4: 8,9 => UNS
* INC # B4: 3 # C4: 2,4 => UNS
* INC # B4: 3 # I2: 8,9 => UNS
* INC # B4: 3 # I3: 8,9 => UNS
* INC # B4: 3 # C7: 6,7 => UNS
* INC # B4: 3 # C7: 2 => UNS
* INC # B4: 3 # D9: 6,7 => UNS
* INC # B4: 3 # F9: 6,7 => UNS
* INC # B4: 3 # I9: 6,7 => UNS
* INC # B4: 3 # C1: 6,7 => UNS
* INC # B4: 3 # C2: 6,7 => UNS
* INC # B4: 3 => UNS
* INC # B5: 3 # E1: 7,9 => UNS
* INC # B5: 3 # E2: 7,9 => UNS
* INC # B5: 3 => UNS
* CNT  22 HDP CHAINS /  22 HYP OPENED

Full list of HDP chains traversed for D4,D5: 2..:

* INC # D5: 2 # A4: 8,9 => UNS
* INC # D5: 2 # C4: 8,9 => UNS
* INC # D5: 2 # G5: 8,9 => UNS
* INC # D5: 2 # G5: 6 => UNS
* INC # D5: 2 # A1: 8,9 => UNS
* INC # D5: 2 # A2: 8,9 => UNS
* INC # D5: 2 # A3: 8,9 => UNS
* INC # D5: 2 # B4: 3,9 => UNS
* INC # D5: 2 # B4: 2,4,5 => UNS
* INC # D5: 2 # E7: 4,8 => UNS
* INC # D5: 2 # F7: 4,8 => UNS
* INC # D5: 2 # G8: 4,8 => UNS
* INC # D5: 2 # G8: 1,6 => UNS
* INC # D5: 2 # E1: 4,8 => UNS
* INC # D5: 2 # E1: 3,5,9 => UNS
* INC # D5: 2 => UNS
* INC # D4: 2 # E5: 3,7 => UNS
* INC # D4: 2 # E5: 9 => UNS
* INC # D4: 2 # D1: 3,7 => UNS
* INC # D4: 2 # D1: 4,5,6 => UNS
* INC # D4: 2 => UNS
* CNT  21 HDP CHAINS /  21 HYP OPENED

Full list of HDP chains traversed for A8,B8: 9..:

* INC # B8: 9 # B1: 4,6 => UNS
* INC # B8: 9 # C1: 4,6 => UNS
* INC # B8: 9 # D3: 4,6 => UNS
* INC # B8: 9 # F3: 4,6 => UNS
* INC # B8: 9 # B7: 4,6 => UNS
* INC # B8: 9 # B7: 1,2 => UNS
* INC # B8: 9 # B4: 2,3 => UNS
* INC # B8: 9 # B4: 4,5 => UNS
* INC # B8: 9 # D5: 2,3 => UNS
* INC # B8: 9 # H5: 2,3 => UNS
* INC # B8: 9 => UNS
* INC # A8: 9 # A4: 2,8 => UNS
* INC # A8: 9 # C4: 2,8 => UNS
* INC # A8: 9 # H5: 2,8 => UNS
* INC # A8: 9 # H5: 3,6 => UNS
* INC # A8: 9 # A1: 2,8 => UNS
* INC # A8: 9 # A1: 4,5,7 => UNS
* INC # A8: 9 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for G5,H5: 6..:

* INC # H5: 6 # I2: 7,8 => UNS
* INC # H5: 6 # I3: 7,8 => UNS
* INC # H5: 6 # A1: 7,8 => UNS
* INC # H5: 6 # C1: 7,8 => UNS
* INC # H5: 6 # E1: 7,8 => UNS
* INC # H5: 6 # F1: 7,8 => UNS
* INC # H5: 6 # H7: 7,8 => UNS
* INC # H5: 6 # H8: 7,8 => UNS
* INC # H5: 6 # I4: 8,9 => UNS
* INC # H5: 6 # I4: 3 => UNS
* INC # H5: 6 # A5: 8,9 => UNS
* INC # H5: 6 # A5: 2 => UNS
* INC # H5: 6 # G1: 8,9 => UNS
* INC # H5: 6 # G1: 6 => UNS
* INC # H5: 6 => UNS
* INC # G5: 6 # I2: 8,9 => UNS
* INC # G5: 6 # I3: 8,9 => UNS
* INC # G5: 6 # A1: 8,9 => UNS
* INC # G5: 6 # C1: 8,9 => UNS
* INC # G5: 6 # E1: 8,9 => UNS
* INC # G5: 6 # F1: 8,9 => UNS
* INC # G5: 6 => UNS
* CNT  22 HDP CHAINS /  22 HYP OPENED

Full list of HDP chains traversed for G6,I6: 5..:

* INC # I6: 5 # F6: 1,9 => UNS
* INC # I6: 5 # F6: 4 => UNS
* INC # I6: 5 # H7: 6,7 => UNS
* INC # I6: 5 # I7: 6,7 => UNS
* INC # I6: 5 # H8: 6,7 => UNS
* INC # I6: 5 # C9: 6,7 => UNS
* PRF # I6: 5 # D9: 6,7 => SOL
* STA # I6: 5 + D9: 6,7
* CNT   7 HDP CHAINS /   8 HYP OPENED