Analysis of xx-ph-00001726-H340-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6...5.9....4....7.5..3..8...3..8.........2..1.9..6.3....1.....4.....7.2. initial
Autosolve
position: 98.7.....6...5.9....4....7.5..3..8...3..8.........2.31.9..6.3....1.....4.....7.2. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for E4,E6: 7..:
* DIS # E6: 7 # B4: 4,6 => CTR => B4: 1,2,7 * CNT 1 HDP CHAINS / 21 HYP OPENED
List of important HDP chains detected for B2,C2: 7..:
* DIS # B2: 7 # B4: 4,6 => CTR => B4: 1,2 * CNT 1 HDP CHAINS / 29 HYP OPENED
List of important HDP chains detected for C1,B3: 5..:
* DIS # B3: 5 # B4: 4,6 => CTR => B4: 1,2,7 * DIS # C1: 5 # D3: 1,2 => CTR => D3: 6,8,9 * DIS # C1: 5 + D3: 6,8,9 # G3: 1,2 => CTR => G3: 5,6 * PRF # C1: 5 + D3: 6,8,9 + G3: 5,6 # B2: 1,2 => SOL * STA # C1: 5 + D3: 6,8,9 + G3: 5,6 + B2: 1,2 * CNT 4 HDP CHAINS / 28 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...5.9....4....7.5..3..8...3..8.........2..1.9..6.3....1.....4.....7.2. | initial |
| 98.7.....6...5.9....4....7.5..3..8...3..8.........2.31.9..6.3....1.....4.....7.2. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B4,A5: 1.. / B4 = 1 => 2 pairs (_) / A5 = 1 => 1 pairs (_) H7,G9: 1.. / H7 = 1 => 2 pairs (_) / G9 = 1 => 1 pairs (_) A3,A5: 1.. / A3 = 1 => 2 pairs (_) / A5 = 1 => 1 pairs (_) C1,B3: 5.. / C1 = 5 => 1 pairs (_) / B3 = 5 => 2 pairs (_) D6,G6: 5.. / D6 = 5 => 0 pairs (_) / G6 = 5 => 2 pairs (_) B2,C2: 7.. / B2 = 7 => 2 pairs (_) / C2 = 7 => 1 pairs (_) E4,E6: 7.. / E4 = 7 => 1 pairs (_) / E6 = 7 => 2 pairs (_) I7,G8: 7.. / I7 = 7 => 1 pairs (_) / G8 = 7 => 1 pairs (_) A6,C6: 8.. / A6 = 8 => 1 pairs (_) / C6 = 8 => 1 pairs (_) H8,I9: 9.. / H8 = 9 => 2 pairs (_) / I9 = 9 => 0 pairs (_) * DURATION: 0:00:05.766066 START: 21:15:05.076112 END: 21:15:10.842178 2020-11-30 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E4,E6: 7.. / E4 = 7 ==> 1 pairs (_) / E6 = 7 ==> 2 pairs (_) B2,C2: 7.. / B2 = 7 ==> 3 pairs (_) / C2 = 7 ==> 1 pairs (_) C1,B3: 5.. / C1 = 5 ==> 0 pairs (*) / B3 = 5 ==> 2 pairs (_) * DURATION: 0:00:38.924738 START: 21:15:10.842987 END: 21:15:49.767725 2020-11-30 * REASONING E4,E6: 7.. * DIS # E6: 7 # B4: 4,6 => CTR => B4: 1,2,7 * CNT 1 HDP CHAINS / 21 HYP OPENED * REASONING B2,C2: 7.. * DIS # B2: 7 # B4: 4,6 => CTR => B4: 1,2 * CNT 1 HDP CHAINS / 29 HYP OPENED * REASONING C1,B3: 5.. * DIS # B3: 5 # B4: 4,6 => CTR => B4: 1,2,7 * DIS # C1: 5 # D3: 1,2 => CTR => D3: 6,8,9 * DIS # C1: 5 + D3: 6,8,9 # G3: 1,2 => CTR => G3: 5,6 * PRF # C1: 5 + D3: 6,8,9 + G3: 5,6 # B2: 1,2 => SOL * STA # C1: 5 + D3: 6,8,9 + G3: 5,6 + B2: 1,2 * CNT 4 HDP CHAINS / 28 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
1726;H340;GP;22;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E4,E6: 7..:
* INC # E6: 7 # A7: 4,8 => UNS * INC # E6: 7 # A9: 4,8 => UNS * DIS # E6: 7 # B4: 4,6 => CTR => B4: 1,2,7 * INC # E6: 7 + B4: 1,2,7 # D6: 4,6 => UNS * INC # E6: 7 + B4: 1,2,7 # G6: 4,6 => UNS * INC # E6: 7 + B4: 1,2,7 # B9: 4,6 => UNS * INC # E6: 7 + B4: 1,2,7 # B9: 5 => UNS * INC # E6: 7 + B4: 1,2,7 # A7: 4,8 => UNS * INC # E6: 7 + B4: 1,2,7 # A9: 4,8 => UNS * INC # E6: 7 + B4: 1,2,7 # D6: 4,6 => UNS * INC # E6: 7 + B4: 1,2,7 # G6: 4,6 => UNS * INC # E6: 7 + B4: 1,2,7 # B9: 4,6 => UNS * INC # E6: 7 + B4: 1,2,7 # B9: 5 => UNS * INC # E6: 7 + B4: 1,2,7 => UNS * INC # E4: 7 # F4: 4,9 => UNS * INC # E4: 7 # D5: 4,9 => UNS * INC # E4: 7 # F5: 4,9 => UNS * INC # E4: 7 # D6: 4,9 => UNS * INC # E4: 7 # E9: 4,9 => UNS * INC # E4: 7 # E9: 1,3 => UNS * INC # E4: 7 => UNS * CNT 21 HDP CHAINS / 21 HYP OPENED
Full list of HDP chains traversed for B2,C2: 7..:
* INC # B2: 7 # C1: 2,3 => UNS * INC # B2: 7 # A3: 2,3 => UNS * INC # B2: 7 # I2: 2,3 => UNS * INC # B2: 7 # I2: 8 => UNS * DIS # B2: 7 # B4: 4,6 => CTR => B4: 1,2 * INC # B2: 7 + B4: 1,2 # D6: 4,6 => UNS * INC # B2: 7 + B4: 1,2 # G6: 4,6 => UNS * INC # B2: 7 + B4: 1,2 # B9: 4,6 => UNS * INC # B2: 7 + B4: 1,2 # B9: 5 => UNS * INC # B2: 7 + B4: 1,2 # C1: 2,3 => UNS * INC # B2: 7 + B4: 1,2 # A3: 2,3 => UNS * INC # B2: 7 + B4: 1,2 # I2: 2,3 => UNS * INC # B2: 7 + B4: 1,2 # I2: 8 => UNS * INC # B2: 7 + B4: 1,2 # A5: 1,2 => UNS * INC # B2: 7 + B4: 1,2 # A5: 4,7 => UNS * INC # B2: 7 + B4: 1,2 # B3: 1,2 => UNS * INC # B2: 7 + B4: 1,2 # B3: 5 => UNS * INC # B2: 7 + B4: 1,2 # D6: 4,6 => UNS * INC # B2: 7 + B4: 1,2 # G6: 4,6 => UNS * INC # B2: 7 + B4: 1,2 # B9: 4,6 => UNS * INC # B2: 7 + B4: 1,2 # B9: 5 => UNS * INC # B2: 7 + B4: 1,2 => UNS * INC # C2: 7 # A3: 1,2 => UNS * INC # C2: 7 # B3: 1,2 => UNS * INC # C2: 7 # D2: 1,2 => UNS * INC # C2: 7 # D2: 4,8 => UNS * INC # C2: 7 # B4: 1,2 => UNS * INC # C2: 7 # B4: 4,6,7 => UNS * INC # C2: 7 => UNS * CNT 29 HDP CHAINS / 29 HYP OPENED
Full list of HDP chains traversed for C1,B3: 5..:
* INC # B3: 5 # C2: 2,3 => UNS * INC # B3: 5 # A3: 2,3 => UNS * INC # B3: 5 # E1: 2,3 => UNS * INC # B3: 5 # I1: 2,3 => UNS * DIS # B3: 5 # B4: 4,6 => CTR => B4: 1,2,7 * INC # B3: 5 + B4: 1,2,7 # B6: 4,6 => UNS * INC # B3: 5 + B4: 1,2,7 # B6: 4,6 => UNS * INC # B3: 5 + B4: 1,2,7 # B6: 7 => UNS * INC # B3: 5 + B4: 1,2,7 # B6: 4,6 => UNS * INC # B3: 5 + B4: 1,2,7 # B6: 7 => UNS * INC # B3: 5 + B4: 1,2,7 # C2: 2,3 => UNS * INC # B3: 5 + B4: 1,2,7 # A3: 2,3 => UNS * INC # B3: 5 + B4: 1,2,7 # E1: 2,3 => UNS * INC # B3: 5 + B4: 1,2,7 # I1: 2,3 => UNS * INC # B3: 5 + B4: 1,2,7 # B6: 4,6 => UNS * INC # B3: 5 + B4: 1,2,7 # B6: 7 => UNS * INC # B3: 5 + B4: 1,2,7 => UNS * INC # C1: 5 # B2: 1,2 => UNS * INC # C1: 5 # A3: 1,2 => UNS * DIS # C1: 5 # D3: 1,2 => CTR => D3: 6,8,9 * INC # C1: 5 + D3: 6,8,9 # E3: 1,2 => UNS * DIS # C1: 5 + D3: 6,8,9 # G3: 1,2 => CTR => G3: 5,6 * INC # C1: 5 + D3: 6,8,9 + G3: 5,6 # E3: 1,2 => UNS * INC # C1: 5 + D3: 6,8,9 + G3: 5,6 # E3: 3,9 => UNS * INC # C1: 5 + D3: 6,8,9 + G3: 5,6 # B4: 1,2 => UNS * INC # C1: 5 + D3: 6,8,9 + G3: 5,6 # B4: 4,6,7 => UNS * PRF # C1: 5 + D3: 6,8,9 + G3: 5,6 # B2: 1,2 => SOL * STA # C1: 5 + D3: 6,8,9 + G3: 5,6 + B2: 1,2 * CNT 27 HDP CHAINS / 28 HYP OPENED