Analysis of xx-ph-00034346-12_05-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.......6.5.........69..4......3..2......1..89..7...3.....2...58..6......1...4 initial
Autosolve
position: 98.7.......6.59.......869..4......3..2......1..89..7...3.....2...58..6......1...4 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C5,H5: 9..:
* DIS # C5: 9 # F4: 1,7 => CTR => F4: 2,5,8 * DIS # C5: 9 + F4: 2,5,8 # C3: 1,7 => CTR => C3: 2,3,4 * DIS # C5: 9 + F4: 2,5,8 + C3: 2,3,4 # C7: 1,7 => CTR => C7: 4 * DIS # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 # A9: 2,7 => CTR => A9: 6,8 * PRF # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # E8: 3,7 => SOL * STA # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 + E8: 3,7 * CNT 5 HDP CHAINS / 15 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.........69..4......3..2......1..89..7...3.....2...58..6......1...4 | initial |
| 98.7.......6.59.......869..4......3..2......1..89..7...3.....2...58..6......1...4 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G7,H8: 1.. / G7 = 1 => 1 pairs (_) / H8 = 1 => 3 pairs (_) I8,G9: 3.. / I8 = 3 => 2 pairs (_) / G9 = 3 => 1 pairs (_) C7,B8: 4.. / C7 = 4 => 2 pairs (_) / B8 = 4 => 1 pairs (_) A3,B3: 5.. / A3 = 5 => 0 pairs (_) / B3 = 5 => 1 pairs (_) H1,I1: 6.. / H1 = 6 => 1 pairs (_) / I1 = 6 => 1 pairs (_) F4,F5: 8.. / F4 = 8 => 1 pairs (_) / F5 = 8 => 1 pairs (_) A7,A9: 8.. / A7 = 8 => 1 pairs (_) / A9 = 8 => 1 pairs (_) I4,H5: 9.. / I4 = 9 => 3 pairs (_) / H5 = 9 => 2 pairs (_) E7,E8: 9.. / E7 = 9 => 0 pairs (_) / E8 = 9 => 2 pairs (_) C5,H5: 9.. / C5 = 9 => 3 pairs (_) / H5 = 9 => 2 pairs (_) * DURATION: 0:00:05.784403 START: 09:28:28.382167 END: 09:28:34.166570 2020-12-14 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C5,H5: 9.. / C5 = 9 ==> 0 pairs (*) / H5 = 9 => 0 pairs (X) * DURATION: 0:00:14.675249 START: 09:28:34.167182 END: 09:28:48.842431 2020-12-14 * REASONING C5,H5: 9.. * DIS # C5: 9 # F4: 1,7 => CTR => F4: 2,5,8 * DIS # C5: 9 + F4: 2,5,8 # C3: 1,7 => CTR => C3: 2,3,4 * DIS # C5: 9 + F4: 2,5,8 + C3: 2,3,4 # C7: 1,7 => CTR => C7: 4 * DIS # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 # A9: 2,7 => CTR => A9: 6,8 * PRF # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # E8: 3,7 => SOL * STA # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 + E8: 3,7 * CNT 5 HDP CHAINS / 15 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
34346;12_05;GP;21;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C5,H5: 9..:
* INC # C5: 9 # B4: 1,7 => UNS * INC # C5: 9 # B4: 5,6 => UNS * DIS # C5: 9 # F4: 1,7 => CTR => F4: 2,5,8 * DIS # C5: 9 + F4: 2,5,8 # C3: 1,7 => CTR => C3: 2,3,4 * DIS # C5: 9 + F4: 2,5,8 + C3: 2,3,4 # C7: 1,7 => CTR => C7: 4 * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 # B4: 1,7 => UNS * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 # B4: 5,6 => UNS * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 # A8: 2,7 => UNS * DIS # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 # A9: 2,7 => CTR => A9: 6,8 * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # A8: 2,7 => UNS * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # A8: 1 => UNS * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # F9: 2,7 => UNS * INC # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # F9: 3,5 => UNS * PRF # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 # E8: 3,7 => SOL * STA # C5: 9 + F4: 2,5,8 + C3: 2,3,4 + C7: 4 + A9: 6,8 + E8: 3,7 * CNT 14 HDP CHAINS / 15 HYP OPENED