Analysis of xx-ph-02320250-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7.45......5..9.8..3......5..9....6....5....2..1...6......9.51......1..86 initial
Autosolve
position: 98.76.5..7.45......5..9.8..3......5..9..5.6....5....2..1...6..5...9.51..5...1..86 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for C9,G9: 9..:
* DIS # G9: 9 # B4: 4,7 => CTR => B4: 2 * DIS # G9: 9 + B4: 2 # F6: 4,7 => CTR => F6: 1,3,8,9 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 # H5: 4,7 => CTR => H5: 1,3 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 # G6: 3 => CTR => G6: 4,7 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 # F4: 4,7 => CTR => F4: 1,8,9 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 # E4: 8 => CTR => E4: 4,7 * PRF # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 + E4: 4,7 # C8: 2,7 => SOL * STA # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 + E4: 4,7 + C8: 2,7 * CNT 7 HDP CHAINS / 32 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
| 98.76.5..7.45......5..9.8..3......5..9....6....5....2..1...6......9.51......1..86 | initial |
| 98.76.5..7.45......5..9.8..3......5..9..5.6....5....2..1...6..5...9.51..5...1..86 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H2,H3: 6.. / H2 = 6 => 1 pairs (_) / H3 = 6 => 2 pairs (_) D4,D6: 6.. / D4 = 6 => 0 pairs (_) / D6 = 6 => 1 pairs (_) B2,H2: 6.. / B2 = 6 => 2 pairs (_) / H2 = 6 => 1 pairs (_) H3,I3: 7.. / H3 = 7 => 2 pairs (_) / I3 = 7 => 0 pairs (_) E2,F2: 8.. / E2 = 8 => 1 pairs (_) / F2 = 8 => 2 pairs (_) F4,F6: 9.. / F4 = 9 => 1 pairs (_) / F6 = 9 => 0 pairs (_) C7,C9: 9.. / C7 = 9 => 5 pairs (_) / C9 = 9 => 0 pairs (_) C9,G9: 9.. / C9 = 9 => 0 pairs (_) / G9 = 9 => 5 pairs (_) H2,H7: 9.. / H2 = 9 => 4 pairs (_) / H7 = 9 => 0 pairs (_) * DURATION: 0:00:06.232940 START: 18:35:06.880603 END: 18:35:13.113543 2020-11-10 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C9,G9: 9.. / C9 = 9 => 0 pairs (X) / G9 = 9 ==> 0 pairs (*) * DURATION: 0:00:25.518236 START: 18:35:13.114179 END: 18:35:38.632415 2020-11-10 * REASONING C9,G9: 9.. * DIS # G9: 9 # B4: 4,7 => CTR => B4: 2 * DIS # G9: 9 + B4: 2 # F6: 4,7 => CTR => F6: 1,3,8,9 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 # H5: 4,7 => CTR => H5: 1,3 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 # G6: 3 => CTR => G6: 4,7 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 # F4: 4,7 => CTR => F4: 1,8,9 * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 # E4: 8 => CTR => E4: 4,7 * PRF # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 + E4: 4,7 # C8: 2,7 => SOL * STA # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 + E4: 4,7 + C8: 2,7 * CNT 7 HDP CHAINS / 32 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2320250;2019_03_16;PAQ;25;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C9,G9: 9..:
* INC # G9: 9 # C1: 1,2 => UNS * INC # G9: 9 # C3: 1,2 => UNS * INC # G9: 9 # D3: 1,2 => UNS * INC # G9: 9 # F3: 1,2 => UNS * INC # G9: 9 # A5: 1,2 => UNS * INC # G9: 9 # A5: 4,8 => UNS * INC # G9: 9 # I1: 2,3 => UNS * INC # G9: 9 # I2: 2,3 => UNS * INC # G9: 9 # E2: 2,3 => UNS * INC # G9: 9 # F2: 2,3 => UNS * INC # G9: 9 # G7: 2,3 => UNS * INC # G9: 9 # G7: 4,7 => UNS * DIS # G9: 9 # B4: 4,7 => CTR => B4: 2 * INC # G9: 9 + B4: 2 # E6: 4,7 => UNS * DIS # G9: 9 + B4: 2 # F6: 4,7 => CTR => F6: 1,3,8,9 * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # G6: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # B8: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # B9: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # E6: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # G6: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # B8: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 # B9: 4,7 => UNS * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 # H5: 4,7 => CTR => H5: 1,3 * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 # G6: 4,7 => UNS * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 # G6: 4,7 => UNS * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 # G6: 3 => CTR => G6: 4,7 * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 # E4: 4,7 => UNS * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 # F4: 4,7 => CTR => F4: 1,8,9 * INC # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 # E4: 4,7 => UNS * DIS # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 # E4: 8 => CTR => E4: 4,7 * PRF # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 + E4: 4,7 # C8: 2,7 => SOL * STA # G9: 9 + B4: 2 + F6: 1,3,8,9 + H5: 1,3 + G6: 4,7 + F4: 1,8,9 + E4: 4,7 + C8: 2,7 * CNT 31 HDP CHAINS / 32 HYP OPENED