Analysis of xx-ph-00053931-12_10-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..5...4......3..8.9.4...7.8...6......2..7..1....5..8.4.....2...1......7..3 initial

Autosolve

position: 98.7..6..5...4......3..8.9.4...7.8...6......2..7..1....5..8.4.....2...1......7..3 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

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 G5,H5: 7..:

* DIS # G5: 7 # H1: 4,5 => CTR => H1: 2,3
* DIS # G5: 7 + H1: 2,3 # I3: 7 => CTR => I3: 4,5
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 # G9: 5,9 => CTR => G9: 2
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 # C9: 1,4 => CTR => C9: 6,8,9
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 # E1: 3,5 => CTR => E1: 1
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 # E3: 5,6 => CTR => E3: 2
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 # E8: 5,9 => CTR => E8: 3,6
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 + E8: 3,6 # E9: 5,6 => CTR => E9: 9
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 + E8: 3,6 + E9: 9 => CTR => G5: 1,3,5,9
* STA G5: 1,3,5,9
* CNT   9 HDP CHAINS /  22 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...4......3..8.9.4...7.8...6......2..7..1....5..8.4.....2...1......7..3 initial
98.7..6..5...4......3..8.9.4...7.8...6......2..7..1....5..8.4.....2...1......7..3 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
I4,G5: 1.. / I4 = 1  =>  2 pairs (_) / G5 = 1  =>  2 pairs (_)
F4,E6: 2.. / F4 = 2  =>  1 pairs (_) / E6 = 2  =>  2 pairs (_)
C1,B3: 4.. / C1 = 4  =>  1 pairs (_) / B3 = 4  =>  1 pairs (_)
F8,D9: 4.. / F8 = 4  =>  2 pairs (_) / D9 = 4  =>  0 pairs (_)
B3,I3: 4.. / B3 = 4  =>  1 pairs (_) / I3 = 4  =>  1 pairs (_)
F5,F8: 4.. / F5 = 4  =>  0 pairs (_) / F8 = 4  =>  2 pairs (_)
C4,C5: 5.. / C4 = 5  =>  1 pairs (_) / C5 = 5  =>  1 pairs (_)
C2,A3: 6.. / C2 = 6  =>  0 pairs (_) / A3 = 6  =>  4 pairs (_)
G5,H5: 7.. / G5 = 7  =>  4 pairs (_) / H5 = 7  =>  1 pairs (_)
H2,I2: 8.. / H2 = 8  =>  1 pairs (_) / I2 = 8  =>  0 pairs (_)
D5,D6: 8.. / D5 = 8  =>  1 pairs (_) / D6 = 8  =>  1 pairs (_)
I8,H9: 8.. / I8 = 8  =>  1 pairs (_) / H9 = 8  =>  0 pairs (_)
A6,D6: 8.. / A6 = 8  =>  1 pairs (_) / D6 = 8  =>  1 pairs (_)
H2,H9: 8.. / H2 = 8  =>  1 pairs (_) / H9 = 8  =>  0 pairs (_)
I2,I8: 8.. / I2 = 8  =>  0 pairs (_) / I8 = 8  =>  1 pairs (_)
D2,F2: 9.. / D2 = 9  =>  0 pairs (_) / F2 = 9  =>  1 pairs (_)
* DURATION: 0:00:09.355070  START: 17:08:47.992420  END: 17:08:57.347490 2020-12-20
* CP COUNT: (16)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
G5,H5: 7.. / G5 = 7 ==>  0 pairs (X) / H5 = 7  =>  1 pairs (_)
C2,A3: 6.. / C2 = 6 ==>  0 pairs (_) / A3 = 6 ==>  4 pairs (_)
I4,G5: 1.. / I4 = 1 ==>  2 pairs (_) / G5 = 1 ==>  2 pairs (_)
F4,E6: 2.. / F4 = 2 ==>  1 pairs (_) / E6 = 2 ==>  2 pairs (_)
F5,F8: 4.. / F5 = 4 ==>  0 pairs (_) / F8 = 4 ==>  2 pairs (_)
F8,D9: 4.. / F8 = 4 ==>  2 pairs (_) / D9 = 4 ==>  0 pairs (_)
A6,D6: 8.. / A6 = 8 ==>  1 pairs (_) / D6 = 8 ==>  1 pairs (_)
D5,D6: 8.. / D5 = 8 ==>  1 pairs (_) / D6 = 8 ==>  1 pairs (_)
C4,C5: 5.. / C4 = 5 ==>  1 pairs (_) / C5 = 5 ==>  1 pairs (_)
B3,I3: 4.. / B3 = 4 ==>  1 pairs (_) / I3 = 4 ==>  1 pairs (_)
C1,B3: 4.. / C1 = 4 ==>  1 pairs (_) / B3 = 4 ==>  1 pairs (_)
D2,F2: 9.. / D2 = 9 ==>  0 pairs (_) / F2 = 9 ==>  1 pairs (_)
I2,I8: 8.. / I2 = 8 ==>  0 pairs (_) / I8 = 8 ==>  1 pairs (_)
H2,H9: 8.. / H2 = 8 ==>  1 pairs (_) / H9 = 8 ==>  0 pairs (_)
I8,H9: 8.. / I8 = 8 ==>  1 pairs (_) / H9 = 8 ==>  0 pairs (_)
H2,I2: 8.. / H2 = 8 ==>  1 pairs (_) / I2 = 8 ==>  0 pairs (_)
* DURATION: 0:01:35.485767  START: 17:08:57.348075  END: 17:10:32.833842 2020-12-20
* REASONING G5,H5: 7..
* DIS # G5: 7 # H1: 4,5 => CTR => H1: 2,3
* DIS # G5: 7 + H1: 2,3 # I3: 7 => CTR => I3: 4,5
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 # G9: 5,9 => CTR => G9: 2
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 # C9: 1,4 => CTR => C9: 6,8,9
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 # E1: 3,5 => CTR => E1: 1
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 # E3: 5,6 => CTR => E3: 2
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 # E8: 5,9 => CTR => E8: 3,6
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 + E8: 3,6 # E9: 5,6 => CTR => E9: 9
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 + E8: 3,6 + E9: 9 => CTR => G5: 1,3,5,9
* STA G5: 1,3,5,9
* CNT   9 HDP CHAINS /  22 HYP OPENED
* DCP COUNT: (16)
* CLUE FOUND

Header Info

53931;12_10;GP;23;11.30;11.30;10.00

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for G5,H5: 7..:

* DIS # G5: 7 # H1: 4,5 => CTR => H1: 2,3
* INC # G5: 7 + H1: 2,3 # I3: 4,5 => UNS
* INC # G5: 7 + H1: 2,3 # I3: 4,5 => UNS
* DIS # G5: 7 + H1: 2,3 # I3: 7 => CTR => I3: 4,5
* INC # G5: 7 + H1: 2,3 + I3: 4,5 # I8: 7,8 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 # I8: 6,9 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 # B4: 2,3 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 # A6: 2,3 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 # E6: 2,3 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 # E6: 5,6 => UNS
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 # G9: 5,9 => CTR => G9: 2
* INC # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 # E8: 5,9 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 # F8: 5,9 => UNS
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 # C9: 1,4 => CTR => C9: 6,8,9
* INC # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 # C2: 1,2 => UNS
* INC # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 # C2: 6 => UNS
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 # E1: 3,5 => CTR => E1: 1
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 # E3: 5,6 => CTR => E3: 2
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 # E8: 5,9 => CTR => E8: 3,6
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 + E8: 3,6 # E9: 5,6 => CTR => E9: 9
* DIS # G5: 7 + H1: 2,3 + I3: 4,5 + G9: 2 + C9: 6,8,9 + E1: 1 + E3: 2 + E8: 3,6 + E9: 9 => CTR => G5: 1,3,5,9
* INC G5: 1,3,5,9 # H5: 7 => UNS
* STA G5: 1,3,5,9
* CNT  22 HDP CHAINS /  22 HYP OPENED

Full list of HDP chains traversed for C2,A3: 6..:

* INC # A3: 6 # C1: 1,2 => UNS
* INC # A3: 6 # B2: 1,2 => UNS
* INC # A3: 6 # B3: 1,2 => UNS
* INC # A3: 6 # G2: 1,2 => UNS
* INC # A3: 6 # G2: 3,7 => UNS
* INC # A3: 6 # C4: 1,2 => UNS
* INC # A3: 6 # C7: 1,2 => UNS
* INC # A3: 6 # C9: 1,2 => UNS
* INC # A3: 6 # D4: 6,9 => UNS
* INC # A3: 6 # D6: 6,9 => UNS
* INC # A3: 6 # D7: 6,9 => UNS
* INC # A3: 6 # D9: 6,9 => UNS
* INC # A3: 6 # F4: 6,9 => UNS
* INC # A3: 6 # F7: 6,9 => UNS
* INC # A3: 6 # F8: 6,9 => UNS
* INC # A3: 6 # E1: 1,5 => UNS
* INC # A3: 6 # E3: 1,5 => UNS
* INC # A3: 6 # G3: 1,5 => UNS
* INC # A3: 6 # I3: 1,5 => UNS
* INC # A3: 6 # D9: 1,5 => UNS
* INC # A3: 6 # D9: 4,6,9 => UNS
* INC # A3: 6 => UNS
* INC # C2: 6 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for I4,G5: 1..:

* INC # I4: 1 # H1: 4,5 => UNS
* INC # I4: 1 # I3: 4,5 => UNS
* INC # I4: 1 # I6: 4,5 => UNS
* INC # I4: 1 # I6: 6,9 => UNS
* INC # I4: 1 # H2: 7,8 => UNS
* INC # I4: 1 # H2: 2,3 => UNS
* INC # I4: 1 # I8: 7,8 => UNS
* INC # I4: 1 # I8: 5,6,9 => UNS
* INC # I4: 1 => UNS
* INC # G5: 1 # A6: 3,8 => UNS
* INC # G5: 1 # A6: 2 => UNS
* INC # G5: 1 # D5: 3,8 => UNS
* INC # G5: 1 # D5: 4,5,9 => UNS
* INC # G5: 1 # A8: 3,8 => UNS
* INC # G5: 1 # A8: 6,7 => UNS
* INC # G5: 1 # H9: 2,6 => UNS
* INC # G5: 1 # H9: 5,8 => UNS
* INC # G5: 1 # A7: 2,6 => UNS
* INC # G5: 1 # C7: 2,6 => UNS
* INC # G5: 1 => UNS
* CNT  20 HDP CHAINS /  20 HYP OPENED

Full list of HDP chains traversed for F4,E6: 2..:

* INC # E6: 2 # A5: 3,8 => UNS
* INC # E6: 2 # A5: 1 => UNS
* INC # E6: 2 # D6: 3,8 => UNS
* INC # E6: 2 # D6: 4,5,6,9 => UNS
* INC # E6: 2 # A8: 3,8 => UNS
* INC # E6: 2 # A8: 6,7 => UNS
* INC # E6: 2 # B4: 3,9 => UNS
* INC # E6: 2 # B4: 1,2 => UNS
* INC # E6: 2 # D6: 3,9 => UNS
* INC # E6: 2 # G6: 3,9 => UNS
* INC # E6: 2 # B8: 3,9 => UNS
* INC # E6: 2 # B8: 4,7 => UNS
* INC # E6: 2 => UNS
* INC # F4: 2 # E1: 3,5 => UNS
* INC # F4: 2 # E1: 1,2 => UNS
* INC # F4: 2 # H1: 3,5 => UNS
* INC # F4: 2 # H1: 2,4 => UNS
* INC # F4: 2 # F5: 3,5 => UNS
* INC # F4: 2 # F8: 3,5 => UNS
* INC # F4: 2 => UNS
* CNT  20 HDP CHAINS /  20 HYP OPENED

Full list of HDP chains traversed for F5,F8: 4..:

* INC # F8: 4 => UNS
* INC # F5: 4 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for F8,D9: 4..:

* INC # F8: 4 => UNS
* INC # D9: 4 => UNS
* CNT   2 HDP CHAINS /   2 HYP OPENED

Full list of HDP chains traversed for A6,D6: 8..:

* INC # A6: 8 # B4: 1,3 => UNS
* INC # A6: 8 # B4: 2,9 => UNS
* INC # A6: 8 # G5: 1,3 => UNS
* INC # A6: 8 # G5: 5,7,9 => UNS
* INC # A6: 8 # A7: 1,3 => UNS
* INC # A6: 8 # A7: 2,6,7 => UNS
* INC # A6: 8 => UNS
* INC # D6: 8 # B4: 2,3 => UNS
* INC # D6: 8 # B6: 2,3 => UNS
* INC # D6: 8 # E6: 2,3 => UNS
* INC # D6: 8 # E6: 5,6,9 => UNS
* INC # D6: 8 # A7: 2,3 => UNS
* INC # D6: 8 # A7: 1,6,7 => UNS
* INC # D6: 8 => UNS
* CNT  14 HDP CHAINS /  14 HYP OPENED

Full list of HDP chains traversed for D5,D6: 8..:

* INC # D5: 8 # B4: 1,3 => UNS
* INC # D5: 8 # B4: 2,9 => UNS
* INC # D5: 8 # G5: 1,3 => UNS
* INC # D5: 8 # G5: 5,7,9 => UNS
* INC # D5: 8 # A7: 1,3 => UNS
* INC # D5: 8 # A7: 2,6,7 => UNS
* INC # D5: 8 => UNS
* INC # D6: 8 # B4: 2,3 => UNS
* INC # D6: 8 # B6: 2,3 => UNS
* INC # D6: 8 # E6: 2,3 => UNS
* INC # D6: 8 # E6: 5,6,9 => UNS
* INC # D6: 8 # A7: 2,3 => UNS
* INC # D6: 8 # A7: 1,6,7 => UNS
* INC # D6: 8 => UNS
* CNT  14 HDP CHAINS /  14 HYP OPENED

Full list of HDP chains traversed for C4,C5: 5..:

* INC # C4: 5 # H6: 3,6 => UNS
* INC # C4: 5 # H6: 4,5 => UNS
* INC # C4: 5 # D4: 3,6 => UNS
* INC # C4: 5 # F4: 3,6 => UNS
* INC # C4: 5 => UNS
* INC # C5: 5 # D4: 3,9 => UNS
* INC # C5: 5 # F4: 3,9 => UNS
* INC # C5: 5 # D5: 3,9 => UNS
* INC # C5: 5 # F5: 3,9 => UNS
* INC # C5: 5 # D6: 3,9 => UNS
* INC # C5: 5 # E6: 3,9 => UNS
* INC # C5: 5 # G5: 3,9 => UNS
* INC # C5: 5 # G5: 1,7 => UNS
* INC # C5: 5 # E8: 3,9 => UNS
* INC # C5: 5 # E8: 5,6 => UNS
* INC # C5: 5 => UNS
* CNT  16 HDP CHAINS /  16 HYP OPENED

Full list of HDP chains traversed for B3,I3: 4..:

* INC # B3: 4 # B2: 1,2 => UNS
* INC # B3: 4 # C2: 1,2 => UNS
* INC # B3: 4 # A3: 1,2 => UNS
* INC # B3: 4 # E1: 1,2 => UNS
* INC # B3: 4 # E1: 3,5 => UNS
* INC # B3: 4 # C4: 1,2 => UNS
* INC # B3: 4 # C7: 1,2 => UNS
* INC # B3: 4 # C9: 1,2 => UNS
* INC # B3: 4 => UNS
* INC # I3: 4 # G3: 1,5 => UNS
* INC # I3: 4 # G3: 2,7 => UNS
* INC # I3: 4 # E1: 1,5 => UNS
* INC # I3: 4 # E1: 2,3 => UNS
* INC # I3: 4 # I4: 1,5 => UNS
* INC # I3: 4 # I4: 6,9 => UNS
* INC # I3: 4 => UNS
* CNT  16 HDP CHAINS /  16 HYP OPENED

Full list of HDP chains traversed for C1,B3: 4..:

* INC # C1: 4 # G3: 1,5 => UNS
* INC # C1: 4 # G3: 2,7 => UNS
* INC # C1: 4 # E1: 1,5 => UNS
* INC # C1: 4 # E1: 2,3 => UNS
* INC # C1: 4 # I4: 1,5 => UNS
* INC # C1: 4 # I4: 6,9 => UNS
* INC # C1: 4 => UNS
* INC # B3: 4 # B2: 1,2 => UNS
* INC # B3: 4 # C2: 1,2 => UNS
* INC # B3: 4 # A3: 1,2 => UNS
* INC # B3: 4 # E1: 1,2 => UNS
* INC # B3: 4 # E1: 3,5 => UNS
* INC # B3: 4 # C4: 1,2 => UNS
* INC # B3: 4 # C7: 1,2 => UNS
* INC # B3: 4 # C9: 1,2 => UNS
* INC # B3: 4 => UNS
* CNT  16 HDP CHAINS /  16 HYP OPENED

Full list of HDP chains traversed for D2,F2: 9..:

* INC # F2: 9 # D7: 3,6 => UNS
* INC # F2: 9 # E8: 3,6 => UNS
* INC # F2: 9 # F8: 3,6 => UNS
* INC # F2: 9 # A7: 3,6 => UNS
* INC # F2: 9 # A7: 1,2,7 => UNS
* INC # F2: 9 # F4: 3,6 => UNS
* INC # F2: 9 # F4: 2,5 => UNS
* INC # F2: 9 => UNS
* INC # D2: 9 => UNS
* CNT   9 HDP CHAINS /   9 HYP OPENED

Full list of HDP chains traversed for I2,I8: 8..:

* INC # I8: 8 # G2: 1,7 => UNS
* INC # I8: 8 # G3: 1,7 => UNS
* INC # I8: 8 # I3: 1,7 => UNS
* INC # I8: 8 # B2: 1,7 => UNS
* INC # I8: 8 # B2: 2 => UNS
* INC # I8: 8 => UNS
* INC # I2: 8 => UNS
* CNT   7 HDP CHAINS /   7 HYP OPENED

Full list of HDP chains traversed for H2,H9: 8..:

* INC # H2: 8 # G2: 1,7 => UNS
* INC # H2: 8 # G3: 1,7 => UNS
* INC # H2: 8 # I3: 1,7 => UNS
* INC # H2: 8 # B2: 1,7 => UNS
* INC # H2: 8 # B2: 2 => UNS
* INC # H2: 8 => UNS
* INC # H9: 8 => UNS
* CNT   7 HDP CHAINS /   7 HYP OPENED

Full list of HDP chains traversed for I8,H9: 8..:

* INC # I8: 8 # G2: 1,7 => UNS
* INC # I8: 8 # G3: 1,7 => UNS
* INC # I8: 8 # I3: 1,7 => UNS
* INC # I8: 8 # B2: 1,7 => UNS
* INC # I8: 8 # B2: 2 => UNS
* INC # I8: 8 => UNS
* INC # H9: 8 => UNS
* CNT   7 HDP CHAINS /   7 HYP OPENED

Full list of HDP chains traversed for H2,I2: 8..:

* INC # H2: 8 # G2: 1,7 => UNS
* INC # H2: 8 # G3: 1,7 => UNS
* INC # H2: 8 # I3: 1,7 => UNS
* INC # H2: 8 # B2: 1,7 => UNS
* INC # H2: 8 # B2: 2 => UNS
* INC # H2: 8 => UNS
* INC # I2: 8 => UNS
* CNT   7 HDP CHAINS /   7 HYP OPENED