Analysis of xx-ph-00009369-cy4-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6...9......5..69..5....46....4....3.....2...1.9...85.....1...7.....3...2 initial
Autosolve
position: 98.7.....6...9......5..69..5....46....4....3.....2...1.9...85.....1...7.....3...2 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000011
List of important HDP chains detected for C4,C6: 9..:
* DIS # C4: 9 # I8: 3,8 => CTR => I8: 4,6,9 * DIS # C4: 9 + I8: 4,6,9 # H9: 1,8 => CTR => H9: 4,6,9 * DIS # C4: 9 + I8: 4,6,9 + H9: 4,6,9 # E5: 1,7 => CTR => E5: 5,6,8 * PRF # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 # F5: 5,9 => SOL * STA # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 + F5: 5,9 * CNT 4 HDP CHAINS / 31 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...9......5..69..5....46....4....3.....2...1.9...85.....1...7.....3...2 | initial |
| 98.7.....6...9......5..69..5....46....4....3.....2...1.9...85.....1...7.....3...2 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H4,G5: 2.. / H4 = 2 => 1 pairs (_) / G5 = 2 => 1 pairs (_) D7,F8: 2.. / D7 = 2 => 1 pairs (_) / F8 = 2 => 3 pairs (_) G6,H6: 4.. / G6 = 4 => 2 pairs (_) / H6 = 4 => 3 pairs (_) I5,H6: 5.. / I5 = 5 => 1 pairs (_) / H6 = 5 => 2 pairs (_) B8,B9: 5.. / B8 = 5 => 2 pairs (_) / B9 = 5 => 1 pairs (_) H1,I1: 6.. / H1 = 6 => 1 pairs (_) / I1 = 6 => 1 pairs (_) E7,F9: 7.. / E7 = 7 => 2 pairs (_) / F9 = 7 => 1 pairs (_) C4,C6: 9.. / C4 = 9 => 7 pairs (_) / C6 = 9 => 0 pairs (_) I8,H9: 9.. / I8 = 9 => 3 pairs (_) / H9 = 9 => 2 pairs (_) F8,I8: 9.. / F8 = 9 => 2 pairs (_) / I8 = 9 => 3 pairs (_) * DURATION: 0:00:05.809533 START: 05:43:23.133242 END: 05:43:28.942775 2020-12-01 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C4,C6: 9.. / C4 = 9 ==> 0 pairs (*) / C6 = 9 => 0 pairs (X) * DURATION: 0:00:21.975950 START: 05:43:28.943385 END: 05:43:50.919335 2020-12-01 * REASONING C4,C6: 9.. * DIS # C4: 9 # I8: 3,8 => CTR => I8: 4,6,9 * DIS # C4: 9 + I8: 4,6,9 # H9: 1,8 => CTR => H9: 4,6,9 * DIS # C4: 9 + I8: 4,6,9 + H9: 4,6,9 # E5: 1,7 => CTR => E5: 5,6,8 * PRF # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 # F5: 5,9 => SOL * STA # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 + F5: 5,9 * CNT 4 HDP CHAINS / 31 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
9369;cy4;GP;22;11.30;11.30;7.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C4,C6: 9..:
* INC # C4: 9 # D6: 3,8 => UNS * INC # C4: 9 # D6: 5,6,9 => UNS * INC # C4: 9 # D2: 3,8 => UNS * INC # C4: 9 # D3: 3,8 => UNS * INC # C4: 9 # G5: 2,8 => UNS * INC # C4: 9 # G5: 7 => UNS * INC # C4: 9 # H2: 2,8 => UNS * INC # C4: 9 # H3: 2,8 => UNS * INC # C4: 9 # G5: 7,8 => UNS * INC # C4: 9 # G5: 2 => UNS * INC # C4: 9 # E4: 7,8 => UNS * INC # C4: 9 # E4: 1 => UNS * INC # C4: 9 # I2: 7,8 => UNS * INC # C4: 9 # I3: 7,8 => UNS * INC # C4: 9 # D5: 5,9 => UNS * INC # C4: 9 # F5: 5,9 => UNS * INC # C4: 9 # D6: 5,9 => UNS * INC # C4: 9 # F6: 5,9 => UNS * DIS # C4: 9 # I8: 3,8 => CTR => I8: 4,6,9 * INC # C4: 9 + I8: 4,6,9 # A8: 3,8 => UNS * INC # C4: 9 + I8: 4,6,9 # C8: 3,8 => UNS * INC # C4: 9 + I8: 4,6,9 # G2: 3,8 => UNS * INC # C4: 9 + I8: 4,6,9 # G2: 1,2,7 => UNS * DIS # C4: 9 + I8: 4,6,9 # H9: 1,8 => CTR => H9: 4,6,9 * INC # C4: 9 + I8: 4,6,9 + H9: 4,6,9 # A9: 1,8 => UNS * INC # C4: 9 + I8: 4,6,9 + H9: 4,6,9 # C9: 1,8 => UNS * DIS # C4: 9 + I8: 4,6,9 + H9: 4,6,9 # E5: 1,7 => CTR => E5: 5,6,8 * INC # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 # F5: 1,7 => UNS * INC # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 # F5: 1,7 => UNS * PRF # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 # F5: 5,9 => SOL * STA # C4: 9 + I8: 4,6,9 + H9: 4,6,9 + E5: 5,6,8 + F5: 5,9 * CNT 30 HDP CHAINS / 31 HYP OPENED