Analysis of xx-ph-00018022-Kz1_b-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.76....75....6....6......4..3...6...5.9.7.......2..1..7.8.9.....1...3......4..2 initial

Autosolve

position: 98.76....75....6....6......4..3...6...5.9.7.......2..1..7.8.9.....1...3......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

Time used: 0:00:00.000007

List of important HDP chains detected for B6,E6: 7..:

* DIS # E6: 7 # E3: 1,5 => CTR => E3: 2,3,4
* DIS # E6: 7 + E3: 2,3,4 # H7: 4,5 => CTR => H7: 1
* DIS # E6: 7 + E3: 2,3,4 + H7: 1 # G8: 8 => CTR => G8: 4,5
* PRF # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 # I1: 3 => SOL
* STA # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 + I1: 3
* CNT   4 HDP CHAINS /  26 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

98.76....75....6....6......4..3...6...5.9.7.......2..1..7.8.9.....1...3......4..2 initial
98.76....75....6....6......4..3...6...5.9.7.......2..1..7.8.9.....1...3......4..2 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
G4,H5: 2.. / G4 = 2  =>  1 pairs (_) / H5 = 2  =>  1 pairs (_)
D7,E8: 2.. / D7 = 2  =>  1 pairs (_) / E8 = 2  =>  1 pairs (_)
I5,G6: 3.. / I5 = 3  =>  1 pairs (_) / G6 = 3  =>  3 pairs (_)
F7,E9: 3.. / F7 = 3  =>  2 pairs (_) / E9 = 3  =>  1 pairs (_)
I7,I8: 6.. / I7 = 6  =>  6 pairs (_) / I8 = 6  =>  3 pairs (_)
H3,I3: 7.. / H3 = 7  =>  7 pairs (_) / I3 = 7  =>  1 pairs (_)
B4,B6: 7.. / B4 = 7  =>  6 pairs (_) / B6 = 7  =>  1 pairs (_)
I8,H9: 7.. / I8 = 7  =>  7 pairs (_) / H9 = 7  =>  1 pairs (_)
B6,E6: 7.. / B6 = 7  =>  1 pairs (_) / E6 = 7  =>  6 pairs (_)
E9,H9: 7.. / E9 = 7  =>  7 pairs (_) / H9 = 7  =>  1 pairs (_)
F4,F8: 7.. / F4 = 7  =>  2 pairs (_) / F8 = 7  =>  4 pairs (_)
H3,H9: 7.. / H3 = 7  =>  7 pairs (_) / H9 = 7  =>  1 pairs (_)
I3,I8: 7.. / I3 = 7  =>  1 pairs (_) / I8 = 7  =>  7 pairs (_)
I4,H6: 9.. / I4 = 9  =>  0 pairs (_) / H6 = 9  =>  2 pairs (_)
F8,D9: 9.. / F8 = 9  =>  3 pairs (_) / D9 = 9  =>  0 pairs (_)
* DURATION: 0:00:10.363003  START: 16:21:42.461760  END: 16:21:52.824763 2020-12-05
* CP COUNT: (15)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
I3,I8: 7.. / I3 = 7 ==>  1 pairs (_) / I8 = 7 ==>  7 pairs (_)
H3,H9: 7.. / H3 = 7 ==>  7 pairs (_) / H9 = 7 ==>  1 pairs (_)
E9,H9: 7.. / E9 = 7 ==>  7 pairs (_) / H9 = 7 ==>  1 pairs (_)
I8,H9: 7.. / I8 = 7 ==>  7 pairs (_) / H9 = 7 ==>  1 pairs (_)
H3,I3: 7.. / H3 = 7 ==>  7 pairs (_) / I3 = 7 ==>  1 pairs (_)
I7,I8: 6.. / I7 = 6 ==>  6 pairs (_) / I8 = 6 ==>  3 pairs (_)
B6,E6: 7.. / B6 = 7  =>  0 pairs (X) / E6 = 7 ==>  0 pairs (*)
* DURATION: 0:01:34.174016  START: 16:21:52.825511  END: 16:23:26.999527 2020-12-05
* REASONING B6,E6: 7..
* DIS # E6: 7 # E3: 1,5 => CTR => E3: 2,3,4
* DIS # E6: 7 + E3: 2,3,4 # H7: 4,5 => CTR => H7: 1
* DIS # E6: 7 + E3: 2,3,4 + H7: 1 # G8: 8 => CTR => G8: 4,5
* PRF # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 # I1: 3 => SOL
* STA # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 + I1: 3
* CNT   4 HDP CHAINS /  26 HYP OPENED
* DCP COUNT: (7)
* SOLUTION FOUND

Header Info

18022;Kz1 b;GP;23;11.30;11.30;8.90

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for I3,I8: 7..:

* INC # I8: 7 # F3: 1,5 => UNS
* INC # I8: 7 # F3: 8,9 => UNS
* INC # I8: 7 # G1: 1,5 => UNS
* INC # I8: 7 # H1: 1,5 => UNS
* INC # I8: 7 # D6: 4,5 => UNS
* INC # I8: 7 # D6: 6,8 => UNS
* INC # I8: 7 # G6: 4,5 => UNS
* INC # I8: 7 # H6: 4,5 => UNS
* INC # I8: 7 # A7: 2,5 => UNS
* INC # I8: 7 # A7: 1 => UNS
* INC # I8: 7 # A8: 2,5 => UNS
* INC # I8: 7 # A8: 6,8 => UNS
* INC # I8: 7 # B8: 6,9 => UNS
* INC # I8: 7 # B8: 2,4 => UNS
* INC # I8: 7 # B9: 6,9 => UNS
* INC # I8: 7 # B9: 1,3 => UNS
* INC # I8: 7 => UNS
* INC # I3: 7 # F7: 3,5 => UNS
* INC # I3: 7 # F7: 6 => UNS
* INC # I3: 7 # A9: 3,5 => UNS
* INC # I3: 7 # A9: 1,6,8 => UNS
* INC # I3: 7 # E3: 3,5 => UNS
* INC # I3: 7 # E3: 1,2,4 => UNS
* INC # I3: 7 => UNS
* CNT  24 HDP CHAINS /  24 HYP OPENED

Full list of HDP chains traversed for H3,H9: 7..:

* INC # H3: 7 # F3: 1,5 => UNS
* INC # H3: 7 # F3: 8,9 => UNS
* INC # H3: 7 # G1: 1,5 => UNS
* INC # H3: 7 # H1: 1,5 => UNS
* INC # H3: 7 # D6: 4,5 => UNS
* INC # H3: 7 # D6: 6,8 => UNS
* INC # H3: 7 # G6: 4,5 => UNS
* INC # H3: 7 # H6: 4,5 => UNS
* INC # H3: 7 # A7: 2,5 => UNS
* INC # H3: 7 # A7: 1 => UNS
* INC # H3: 7 # A8: 2,5 => UNS
* INC # H3: 7 # A8: 6,8 => UNS
* INC # H3: 7 # B8: 6,9 => UNS
* INC # H3: 7 # B8: 2,4 => UNS
* INC # H3: 7 # B9: 6,9 => UNS
* INC # H3: 7 # B9: 1,3 => UNS
* INC # H3: 7 => UNS
* INC # H9: 7 # F7: 3,5 => UNS
* INC # H9: 7 # F7: 6 => UNS
* INC # H9: 7 # A9: 3,5 => UNS
* INC # H9: 7 # A9: 1,6,8 => UNS
* INC # H9: 7 # E3: 3,5 => UNS
* INC # H9: 7 # E3: 1,2,4 => UNS
* INC # H9: 7 => UNS
* CNT  24 HDP CHAINS /  24 HYP OPENED

Full list of HDP chains traversed for E9,H9: 7..:

* INC # E9: 7 # F3: 1,5 => UNS
* INC # E9: 7 # F3: 8,9 => UNS
* INC # E9: 7 # G1: 1,5 => UNS
* INC # E9: 7 # H1: 1,5 => UNS
* INC # E9: 7 # D6: 4,5 => UNS
* INC # E9: 7 # D6: 6,8 => UNS
* INC # E9: 7 # G6: 4,5 => UNS
* INC # E9: 7 # H6: 4,5 => UNS
* INC # E9: 7 # A7: 2,5 => UNS
* INC # E9: 7 # A7: 1 => UNS
* INC # E9: 7 # A8: 2,5 => UNS
* INC # E9: 7 # A8: 6,8 => UNS
* INC # E9: 7 # B8: 6,9 => UNS
* INC # E9: 7 # B8: 2,4 => UNS
* INC # E9: 7 # B9: 6,9 => UNS
* INC # E9: 7 # B9: 1,3 => UNS
* INC # E9: 7 => UNS
* INC # H9: 7 # F7: 3,5 => UNS
* INC # H9: 7 # F7: 6 => UNS
* INC # H9: 7 # A9: 3,5 => UNS
* INC # H9: 7 # A9: 1,6,8 => UNS
* INC # H9: 7 # E3: 3,5 => UNS
* INC # H9: 7 # E3: 1,2,4 => UNS
* INC # H9: 7 => UNS
* CNT  24 HDP CHAINS /  24 HYP OPENED

Full list of HDP chains traversed for I8,H9: 7..:

* INC # I8: 7 # F3: 1,5 => UNS
* INC # I8: 7 # F3: 8,9 => UNS
* INC # I8: 7 # G1: 1,5 => UNS
* INC # I8: 7 # H1: 1,5 => UNS
* INC # I8: 7 # D6: 4,5 => UNS
* INC # I8: 7 # D6: 6,8 => UNS
* INC # I8: 7 # G6: 4,5 => UNS
* INC # I8: 7 # H6: 4,5 => UNS
* INC # I8: 7 # A7: 2,5 => UNS
* INC # I8: 7 # A7: 1 => UNS
* INC # I8: 7 # A8: 2,5 => UNS
* INC # I8: 7 # A8: 6,8 => UNS
* INC # I8: 7 # B8: 6,9 => UNS
* INC # I8: 7 # B8: 2,4 => UNS
* INC # I8: 7 # B9: 6,9 => UNS
* INC # I8: 7 # B9: 1,3 => UNS
* INC # I8: 7 => UNS
* INC # H9: 7 # F7: 3,5 => UNS
* INC # H9: 7 # F7: 6 => UNS
* INC # H9: 7 # A9: 3,5 => UNS
* INC # H9: 7 # A9: 1,6,8 => UNS
* INC # H9: 7 # E3: 3,5 => UNS
* INC # H9: 7 # E3: 1,2,4 => UNS
* INC # H9: 7 => UNS
* CNT  24 HDP CHAINS /  24 HYP OPENED

Full list of HDP chains traversed for H3,I3: 7..:

* INC # H3: 7 # F3: 1,5 => UNS
* INC # H3: 7 # F3: 8,9 => UNS
* INC # H3: 7 # G1: 1,5 => UNS
* INC # H3: 7 # H1: 1,5 => UNS
* INC # H3: 7 # D6: 4,5 => UNS
* INC # H3: 7 # D6: 6,8 => UNS
* INC # H3: 7 # G6: 4,5 => UNS
* INC # H3: 7 # H6: 4,5 => UNS
* INC # H3: 7 # A7: 2,5 => UNS
* INC # H3: 7 # A7: 1 => UNS
* INC # H3: 7 # A8: 2,5 => UNS
* INC # H3: 7 # A8: 6,8 => UNS
* INC # H3: 7 # B8: 6,9 => UNS
* INC # H3: 7 # B8: 2,4 => UNS
* INC # H3: 7 # B9: 6,9 => UNS
* INC # H3: 7 # B9: 1,3 => UNS
* INC # H3: 7 => UNS
* INC # I3: 7 # F7: 3,5 => UNS
* INC # I3: 7 # F7: 6 => UNS
* INC # I3: 7 # A9: 3,5 => UNS
* INC # I3: 7 # A9: 1,6,8 => UNS
* INC # I3: 7 # E3: 3,5 => UNS
* INC # I3: 7 # E3: 1,2,4 => UNS
* INC # I3: 7 => UNS
* CNT  24 HDP CHAINS /  24 HYP OPENED

Full list of HDP chains traversed for I7,I8: 6..:

* INC # I7: 6 # E3: 1,5 => UNS
* INC # I7: 6 # E3: 2,3,4 => UNS
* INC # I7: 6 # D6: 4,5 => UNS
* INC # I7: 6 # D6: 6,8 => UNS
* INC # I7: 6 # G6: 4,5 => UNS
* INC # I7: 6 # H6: 4,5 => UNS
* INC # I7: 6 # E3: 4,5 => UNS
* INC # I7: 6 # E3: 1,2,3 => UNS
* INC # I7: 6 # E8: 2,5 => UNS
* INC # I7: 6 # E8: 7 => UNS
* INC # I7: 6 # A7: 2,5 => UNS
* INC # I7: 6 # A7: 1,3 => UNS
* INC # I7: 6 # D3: 2,5 => UNS
* INC # I7: 6 # D3: 4,8,9 => UNS
* INC # I7: 6 # E9: 3,5 => UNS
* INC # I7: 6 # E9: 7 => UNS
* INC # I7: 6 # A7: 3,5 => UNS
* INC # I7: 6 # A7: 1,2 => UNS
* INC # I7: 6 # F1: 3,5 => UNS
* INC # I7: 6 # F3: 3,5 => UNS
* INC # I7: 6 # B8: 6,9 => UNS
* INC # I7: 6 # B8: 2,4 => UNS
* INC # I7: 6 # B9: 6,9 => UNS
* INC # I7: 6 # B9: 1,3 => UNS
* INC # I7: 6 => UNS
* INC # I8: 6 # G1: 2,5 => UNS
* INC # I8: 6 # G3: 2,5 => UNS
* INC # I8: 6 # F7: 3,5 => UNS
* INC # I8: 6 # F7: 6 => UNS
* INC # I8: 6 # A9: 3,5 => UNS
* INC # I8: 6 # A9: 1,6,8 => UNS
* INC # I8: 6 # E3: 3,5 => UNS
* INC # I8: 6 # E3: 1,2,4 => UNS
* INC # I8: 6 # H7: 4,5 => UNS
* INC # I8: 6 # G8: 4,5 => UNS
* INC # I8: 6 # I1: 4,5 => UNS
* INC # I8: 6 # I1: 3 => UNS
* INC # I8: 6 => UNS
* CNT  38 HDP CHAINS /  38 HYP OPENED

Full list of HDP chains traversed for B6,E6: 7..:

* INC # E6: 7 # D3: 2,8 => UNS
* INC # E6: 7 # D3: 5 => UNS
* INC # E6: 7 # H2: 2,8 => UNS
* INC # E6: 7 # H2: 1,4,9 => UNS
* INC # E6: 7 # F4: 1,5 => UNS
* INC # E6: 7 # F4: 8 => UNS
* DIS # E6: 7 # E3: 1,5 => CTR => E3: 2,3,4
* INC # E6: 7 + E3: 2,3,4 # F4: 1,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # F4: 8 => UNS
* INC # E6: 7 + E3: 2,3,4 # G1: 2,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # G3: 2,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # D7: 2,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # D7: 6 => UNS
* INC # E6: 7 + E3: 2,3,4 # A8: 2,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # A8: 8 => UNS
* INC # E6: 7 + E3: 2,3,4 # F7: 3,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # F7: 6 => UNS
* INC # E6: 7 + E3: 2,3,4 # A9: 3,5 => UNS
* INC # E6: 7 + E3: 2,3,4 # A9: 1,6,8 => UNS
* DIS # E6: 7 + E3: 2,3,4 # H7: 4,5 => CTR => H7: 1
* INC # E6: 7 + E3: 2,3,4 + H7: 1 # G8: 4,5 => UNS
* INC # E6: 7 + E3: 2,3,4 + H7: 1 # G8: 4,5 => UNS
* DIS # E6: 7 + E3: 2,3,4 + H7: 1 # G8: 8 => CTR => G8: 4,5
* INC # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 # I1: 4,5 => UNS
* PRF # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 # I1: 3 => SOL
* STA # E6: 7 + E3: 2,3,4 + H7: 1 + G8: 4,5 + I1: 3
* CNT  25 HDP CHAINS /  26 HYP OPENED