Analysis of xx-ph-00011550-kz0-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....6.....97...7.....5.4..3.5....65...9......2..1..89...5.....1.3.......4..2 initial

Autosolve

position: 98.7.....6.....97...7.....5.4..3.5....65...9......2..1..89...5.....1.3.9.....4..2 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

Time used: 0:00:00.000007

List of important HDP chains detected for I5,H6: 3..:

* DIS # I5: 3 # G1: 4,6 => CTR => G1: 1,2
* DIS # I5: 3 + G1: 1,2 # H1: 4,6 => CTR => H1: 1,2,3
* CNT   2 HDP CHAINS /  33 HYP OPENED

List of important HDP chains detected for E7,D8: 2..:

* DIS # D8: 2 # B7: 6,7 => CTR => B7: 1,2,3
* CNT   1 HDP CHAINS /  40 HYP OPENED

List of important HDP chains detected for H4,G5: 2..:

* DIS # G5: 2 # H6: 6,8 => CTR => H6: 3,4
* DIS # G5: 2 + H6: 3,4 # H3: 6,8 => CTR => H3: 1,2,3,4
* PRF # G5: 2 + H6: 3,4 + H3: 1,2,3,4 # H9: 6,8 => SOL
* STA # G5: 2 + H6: 3,4 + H3: 1,2,3,4 + H9: 6,8
* CNT   3 HDP CHAINS /  14 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.....97...7.....5.4..3.5....65...9......2..1..89...5.....1.3.......4..2 initial
98.7.....6.....97...7.....5.4..3.5....65...9......2..1..89...5.....1.3.9.....4..2 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
H4,G5: 2.. / H4 = 2  =>  1 pairs (_) / G5 = 2  =>  1 pairs (_)
E7,D8: 2.. / E7 = 2  =>  1 pairs (_) / D8 = 2  =>  2 pairs (_)
I5,H6: 3.. / I5 = 3  =>  2 pairs (_) / H6 = 3  =>  1 pairs (_)
F7,D9: 3.. / F7 = 3  =>  1 pairs (_) / D9 = 3  =>  1 pairs (_)
F8,E9: 5.. / F8 = 5  =>  1 pairs (_) / E9 = 5  =>  0 pairs (_)
E3,F3: 9.. / E3 = 9  =>  1 pairs (_) / F3 = 9  =>  1 pairs (_)
F4,E6: 9.. / F4 = 9  =>  1 pairs (_) / E6 = 9  =>  1 pairs (_)
B9,C9: 9.. / B9 = 9  =>  0 pairs (_) / C9 = 9  =>  2 pairs (_)
C4,F4: 9.. / C4 = 9  =>  1 pairs (_) / F4 = 9  =>  1 pairs (_)
B6,B9: 9.. / B6 = 9  =>  2 pairs (_) / B9 = 9  =>  0 pairs (_)
E3,E6: 9.. / E3 = 9  =>  1 pairs (_) / E6 = 9  =>  1 pairs (_)
F3,F4: 9.. / F3 = 9  =>  1 pairs (_) / F4 = 9  =>  1 pairs (_)
* DURATION: 0:00:07.952176  START: 19:34:46.718104  END: 19:34:54.670280 2020-12-01
* CP COUNT: (12)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
I5,H6: 3.. / I5 = 3 ==>  3 pairs (_) / H6 = 3 ==>  1 pairs (_)
E7,D8: 2.. / E7 = 2 ==>  1 pairs (_) / D8 = 2 ==>  2 pairs (_)
B6,B9: 9.. / B6 = 9 ==>  2 pairs (_) / B9 = 9 ==>  0 pairs (_)
B9,C9: 9.. / B9 = 9 ==>  0 pairs (_) / C9 = 9 ==>  2 pairs (_)
F3,F4: 9.. / F3 = 9 ==>  1 pairs (_) / F4 = 9 ==>  1 pairs (_)
E3,E6: 9.. / E3 = 9 ==>  1 pairs (_) / E6 = 9 ==>  1 pairs (_)
C4,F4: 9.. / C4 = 9 ==>  1 pairs (_) / F4 = 9 ==>  1 pairs (_)
F4,E6: 9.. / F4 = 9 ==>  1 pairs (_) / E6 = 9 ==>  1 pairs (_)
E3,F3: 9.. / E3 = 9 ==>  1 pairs (_) / F3 = 9 ==>  1 pairs (_)
F7,D9: 3.. / F7 = 3 ==>  1 pairs (_) / D9 = 3 ==>  1 pairs (_)
H4,G5: 2.. / H4 = 2 ==>  1 pairs (_) / G5 = 2 ==>  0 pairs (*)
* DURATION: 0:01:31.607458  START: 19:34:54.670867  END: 19:36:26.278325 2020-12-01
* REASONING I5,H6: 3..
* DIS # I5: 3 # G1: 4,6 => CTR => G1: 1,2
* DIS # I5: 3 + G1: 1,2 # H1: 4,6 => CTR => H1: 1,2,3
* CNT   2 HDP CHAINS /  33 HYP OPENED
* REASONING E7,D8: 2..
* DIS # D8: 2 # B7: 6,7 => CTR => B7: 1,2,3
* CNT   1 HDP CHAINS /  40 HYP OPENED
* REASONING H4,G5: 2..
* DIS # G5: 2 # H6: 6,8 => CTR => H6: 3,4
* DIS # G5: 2 + H6: 3,4 # H3: 6,8 => CTR => H3: 1,2,3,4
* PRF # G5: 2 + H6: 3,4 + H3: 1,2,3,4 # H9: 6,8 => SOL
* STA # G5: 2 + H6: 3,4 + H3: 1,2,3,4 + H9: 6,8
* CNT   3 HDP CHAINS /  14 HYP OPENED
* DCP COUNT: (11)
* SOLUTION FOUND

Header Info

11550;kz0;GP;23;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for I5,H6: 3..:

* DIS # I5: 3 # G1: 4,6 => CTR => G1: 1,2
* DIS # I5: 3 + G1: 1,2 # H1: 4,6 => CTR => H1: 1,2,3
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # G3: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # H3: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # E1: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # E1: 2,5 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # I7: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # I7: 7 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # G3: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # H3: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # D2: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # E2: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # H1: 1,2 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # G3: 1,2 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # H3: 1,2 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # C1: 1,2 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # C1: 3,4,5 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # G3: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # H3: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # E1: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # E1: 2,5 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # I7: 4,6 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # I7: 7 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # G3: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # H3: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # D2: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 # E2: 4,8 => UNS
* INC # I5: 3 + G1: 1,2 + H1: 1,2,3 => UNS
* INC # H6: 3 # B6: 5,9 => UNS
* INC # H6: 3 # B6: 7 => UNS
* INC # H6: 3 # C9: 5,9 => UNS
* INC # H6: 3 # C9: 1,3 => UNS
* INC # H6: 3 => UNS
* CNT  33 HDP CHAINS /  33 HYP OPENED

Full list of HDP chains traversed for E7,D8: 2..:

* INC # D8: 2 # A8: 4,5 => UNS
* INC # D8: 2 # A8: 7 => UNS
* INC # D8: 2 # C1: 4,5 => UNS
* INC # D8: 2 # C2: 4,5 => UNS
* INC # D8: 2 # F7: 6,7 => UNS
* INC # D8: 2 # F8: 6,7 => UNS
* INC # D8: 2 # E9: 6,7 => UNS
* DIS # D8: 2 # B7: 6,7 => CTR => B7: 1,2,3
* INC # D8: 2 + B7: 1,2,3 # G7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # I7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E6: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E6: 4,8,9 => UNS
* INC # D8: 2 + B7: 1,2,3 # F7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # F8: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E9: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # G7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # I7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E6: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E6: 4,8,9 => UNS
* INC # D8: 2 + B7: 1,2,3 # A8: 4,5 => UNS
* INC # D8: 2 + B7: 1,2,3 # A8: 7 => UNS
* INC # D8: 2 + B7: 1,2,3 # C1: 4,5 => UNS
* INC # D8: 2 + B7: 1,2,3 # C2: 4,5 => UNS
* INC # D8: 2 + B7: 1,2,3 # F7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # F8: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E9: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # G7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # I7: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E6: 6,7 => UNS
* INC # D8: 2 + B7: 1,2,3 # E6: 4,8,9 => UNS
* INC # D8: 2 + B7: 1,2,3 => UNS
* INC # E7: 2 # F8: 6,8 => UNS
* INC # E7: 2 # D9: 6,8 => UNS
* INC # E7: 2 # E9: 6,8 => UNS
* INC # E7: 2 # H8: 6,8 => UNS
* INC # E7: 2 # H8: 4 => UNS
* INC # E7: 2 # D3: 6,8 => UNS
* INC # E7: 2 # D4: 6,8 => UNS
* INC # E7: 2 # D6: 6,8 => UNS
* INC # E7: 2 => UNS
* CNT  40 HDP CHAINS /  40 HYP OPENED

Full list of HDP chains traversed for B6,B9: 9..:

* INC # B6: 9 # A4: 1,2 => UNS
* INC # B6: 9 # A5: 1,2 => UNS
* INC # B6: 9 # B5: 1,2 => UNS
* INC # B6: 9 # C1: 1,2 => UNS
* INC # B6: 9 # C2: 1,2 => UNS
* INC # B6: 9 # A6: 3,5 => UNS
* INC # B6: 9 # A6: 7,8 => UNS
* INC # B6: 9 # C1: 3,5 => UNS
* INC # B6: 9 # C2: 3,5 => UNS
* INC # B6: 9 => UNS
* INC # B9: 9 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for B9,C9: 9..:

* INC # C9: 9 # A4: 1,2 => UNS
* INC # C9: 9 # A5: 1,2 => UNS
* INC # C9: 9 # B5: 1,2 => UNS
* INC # C9: 9 # C1: 1,2 => UNS
* INC # C9: 9 # C2: 1,2 => UNS
* INC # C9: 9 # A6: 3,5 => UNS
* INC # C9: 9 # A6: 7,8 => UNS
* INC # C9: 9 # C1: 3,5 => UNS
* INC # C9: 9 # C2: 3,5 => UNS
* INC # C9: 9 => UNS
* INC # B9: 9 => UNS
* CNT  11 HDP CHAINS /  11 HYP OPENED

Full list of HDP chains traversed for F3,F4: 9..:

* INC # F3: 9 # A6: 3,5 => UNS
* INC # F3: 9 # B6: 3,5 => UNS
* INC # F3: 9 # C1: 3,5 => UNS
* INC # F3: 9 # C2: 3,5 => UNS
* INC # F3: 9 # C9: 3,5 => UNS
* INC # F3: 9 => UNS
* INC # F4: 9 # A4: 1,2 => UNS
* INC # F4: 9 # A5: 1,2 => UNS
* INC # F4: 9 # B5: 1,2 => UNS
* INC # F4: 9 # C1: 1,2 => UNS
* INC # F4: 9 # C2: 1,2 => UNS
* INC # F4: 9 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for E3,E6: 9..:

* INC # E3: 9 # A4: 1,2 => UNS
* INC # E3: 9 # A5: 1,2 => UNS
* INC # E3: 9 # B5: 1,2 => UNS
* INC # E3: 9 # C1: 1,2 => UNS
* INC # E3: 9 # C2: 1,2 => UNS
* INC # E3: 9 => UNS
* INC # E6: 9 # A6: 3,5 => UNS
* INC # E6: 9 # B6: 3,5 => UNS
* INC # E6: 9 # C1: 3,5 => UNS
* INC # E6: 9 # C2: 3,5 => UNS
* INC # E6: 9 # C9: 3,5 => UNS
* INC # E6: 9 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for C4,F4: 9..:

* INC # C4: 9 # A6: 3,5 => UNS
* INC # C4: 9 # B6: 3,5 => UNS
* INC # C4: 9 # C1: 3,5 => UNS
* INC # C4: 9 # C2: 3,5 => UNS
* INC # C4: 9 # C9: 3,5 => UNS
* INC # C4: 9 => UNS
* INC # F4: 9 # A4: 1,2 => UNS
* INC # F4: 9 # A5: 1,2 => UNS
* INC # F4: 9 # B5: 1,2 => UNS
* INC # F4: 9 # C1: 1,2 => UNS
* INC # F4: 9 # C2: 1,2 => UNS
* INC # F4: 9 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for F4,E6: 9..:

* INC # F4: 9 # A4: 1,2 => UNS
* INC # F4: 9 # A5: 1,2 => UNS
* INC # F4: 9 # B5: 1,2 => UNS
* INC # F4: 9 # C1: 1,2 => UNS
* INC # F4: 9 # C2: 1,2 => UNS
* INC # F4: 9 => UNS
* INC # E6: 9 # A6: 3,5 => UNS
* INC # E6: 9 # B6: 3,5 => UNS
* INC # E6: 9 # C1: 3,5 => UNS
* INC # E6: 9 # C2: 3,5 => UNS
* INC # E6: 9 # C9: 3,5 => UNS
* INC # E6: 9 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for E3,F3: 9..:

* INC # E3: 9 # A4: 1,2 => UNS
* INC # E3: 9 # A5: 1,2 => UNS
* INC # E3: 9 # B5: 1,2 => UNS
* INC # E3: 9 # C1: 1,2 => UNS
* INC # E3: 9 # C2: 1,2 => UNS
* INC # E3: 9 => UNS
* INC # F3: 9 # A6: 3,5 => UNS
* INC # F3: 9 # B6: 3,5 => UNS
* INC # F3: 9 # C1: 3,5 => UNS
* INC # F3: 9 # C2: 3,5 => UNS
* INC # F3: 9 # C9: 3,5 => UNS
* INC # F3: 9 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for F7,D9: 3..:

* INC # F7: 3 # D8: 6,8 => UNS
* INC # F7: 3 # F8: 6,8 => UNS
* INC # F7: 3 # E9: 6,8 => UNS
* INC # F7: 3 # G9: 6,8 => UNS
* INC # F7: 3 # H9: 6,8 => UNS
* INC # F7: 3 # D3: 6,8 => UNS
* INC # F7: 3 # D4: 6,8 => UNS
* INC # F7: 3 # D6: 6,8 => UNS
* INC # F7: 3 => UNS
* INC # D9: 3 # E7: 6,7 => UNS
* INC # D9: 3 # F8: 6,7 => UNS
* INC # D9: 3 # E9: 6,7 => UNS
* INC # D9: 3 # B7: 6,7 => UNS
* INC # D9: 3 # G7: 6,7 => UNS
* INC # D9: 3 # I7: 6,7 => UNS
* INC # D9: 3 # F4: 6,7 => UNS
* INC # D9: 3 # F4: 1,8,9 => UNS
* INC # D9: 3 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for H4,G5: 2..:

* INC # H4: 2 # F4: 1,9 => UNS
* INC # H4: 2 # F4: 6,7,8 => UNS
* INC # H4: 2 # C9: 1,9 => UNS
* INC # H4: 2 # C9: 3,5 => UNS
* INC # H4: 2 => UNS
* INC # G5: 2 # I4: 6,8 => UNS
* INC # G5: 2 # G6: 6,8 => UNS
* DIS # G5: 2 # H6: 6,8 => CTR => H6: 3,4
* INC # G5: 2 + H6: 3,4 # D4: 6,8 => UNS
* INC # G5: 2 + H6: 3,4 # F4: 6,8 => UNS
* DIS # G5: 2 + H6: 3,4 # H3: 6,8 => CTR => H3: 1,2,3,4
* INC # G5: 2 + H6: 3,4 + H3: 1,2,3,4 # H8: 6,8 => UNS
* PRF # G5: 2 + H6: 3,4 + H3: 1,2,3,4 # H9: 6,8 => SOL
* STA # G5: 2 + H6: 3,4 + H3: 1,2,3,4 + H9: 6,8
* CNT  13 HDP CHAINS /  14 HYP OPENED