Analysis of xx-ph-00024393-KC40b-base.sdk
Original Sudoku
level: deep
position: 98.7.....7...6.8....5..8.7.5....6.9...43..6......2...1.5...7.4....6..2......1...3 initial
Autosolve
position: 98.7.....7...6.8....5..8.7.5....6.9...43..6......2...1.5...7.4....6..2......1...3 autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:23.786499
The following important HDP chains were detected:
* DIS # G3: 3,4 # G1: 3,4 => CTR => G1: 1,5 * CNT 1 HDP CHAINS / 61 HYP OPENED
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000012
List of important HDP chains detected for G7,H8: 1..:
* PRF # H8: 1 # A7: 2,8 => SOL * STA # H8: 1 + A7: 2,8 * CNT 1 HDP CHAINS / 4 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.....7...6.8....5..8.7.5....6.9...43..6......2...1.5...7.4....6..2......1...3 | initial |
| 98.7.....7...6.8....5..8.7.5....6.9...43..6......2...1.5...7.4....6..2......1...3 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) G7: 1,9 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,F5: 1.. / D4 = 1 => 2 pairs (_) / F5 = 1 => 3 pairs (_) G7,H8: 1.. / G7 = 1 => 1 pairs (_) / H8 = 1 => 4 pairs (_) I7,H9: 6.. / I7 = 6 => 2 pairs (_) / H9 = 6 => 2 pairs (_) H1,H9: 6.. / H1 = 6 => 2 pairs (_) / H9 = 6 => 2 pairs (_) E4,E5: 7.. / E4 = 7 => 2 pairs (_) / E5 = 7 => 2 pairs (_) I8,G9: 7.. / I8 = 7 => 2 pairs (_) / G9 = 7 => 2 pairs (_) * DURATION: 0:00:03.514697 START: 09:05:31.893155 END: 09:05:35.407852 2020-12-08 * CP COUNT: (6) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G7,H8: 1.. / G7 = 1 => 0 pairs (X) / H8 = 1 ==> 0 pairs (*) * DURATION: 0:00:06.490381 START: 09:06:02.238412 END: 09:06:08.728793 2020-12-08 * REASONING G7,H8: 1.. * PRF # H8: 1 # A7: 2,8 => SOL * STA # H8: 1 + A7: 2,8 * CNT 1 HDP CHAINS / 4 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
24393;KC40b;GP;24;11.30;11.30;10.90
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # C7: 1,9 => UNS * INC # C7: 2,3,6,8 => UNS * INC # G3: 1,9 => UNS * INC # G3: 3,4 => UNS * CNT 4 HDP CHAINS / 4 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # C7: 1,9 => UNS * INC # C7: 2,3,6,8 => UNS * INC # G3: 1,9 => UNS * INC # G3: 3,4 => UNS * CNT 4 HDP CHAINS / 4 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # C7: 1,9 => UNS * INC # C7: 2,3,6,8 => UNS * INC # G3: 1,9 => UNS * INC # G3: 3,4 => UNS * INC # C7: 1,9 # B8: 1,9 => UNS * INC # C7: 1,9 # C8: 1,9 => UNS * INC # C7: 1,9 # D9: 2,8 => UNS * INC # C7: 1,9 # D9: 4,5,9 => UNS * INC # C7: 1,9 # A7: 2,8 => UNS * INC # C7: 1,9 # A7: 3,6 => UNS * INC # C7: 1,9 # E8: 3,8 => UNS * INC # C7: 1,9 # E8: 4,5,9 => UNS * INC # C7: 1,9 # A7: 3,8 => UNS * INC # C7: 1,9 # A7: 2,6 => UNS * INC # C7: 1,9 # G3: 1,9 => UNS * INC # C7: 1,9 # G3: 3,4 => UNS * INC # C7: 1,9 # H9: 6,8 => UNS * INC # C7: 1,9 # H9: 5 => UNS * INC # C7: 1,9 # A7: 6,8 => UNS * INC # C7: 1,9 # A7: 2,3 => UNS * INC # C7: 1,9 => UNS * INC # C7: 2,3,6,8 # G3: 1,9 => UNS * INC # C7: 2,3,6,8 # G3: 3,4 => UNS * INC # C7: 2,3,6,8 => UNS * INC # G3: 1,9 # D3: 1,9 => UNS * INC # G3: 1,9 # D3: 2,4 => UNS * INC # G3: 1,9 # C7: 1,9 => UNS * INC # G3: 1,9 # C7: 2,3,6,8 => UNS * INC # G3: 1,9 # I8: 5,7 => UNS * INC # G3: 1,9 # I8: 8,9 => UNS * INC # G3: 1,9 # G6: 5,7 => UNS * INC # G3: 1,9 # G6: 3,4 => UNS * INC # G3: 1,9 => UNS * DIS # G3: 3,4 # G1: 3,4 => CTR => G1: 1,5 * INC # G3: 3,4 + G1: 1,5 # A3: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # B3: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # E3: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # G4: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # G6: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # C7: 1,9 => UNS * INC # G3: 3,4 + G1: 1,5 # C7: 2,3,6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # H9: 6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # H9: 5 => UNS * INC # G3: 3,4 + G1: 1,5 # A7: 6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # C7: 6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # H1: 1,5 => UNS * INC # G3: 3,4 + G1: 1,5 # H2: 1,5 => UNS * INC # G3: 3,4 + G1: 1,5 # F1: 1,5 => UNS * INC # G3: 3,4 + G1: 1,5 # F1: 2,3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # A3: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # B3: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # E3: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # G4: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # G6: 3,4 => UNS * INC # G3: 3,4 + G1: 1,5 # C7: 1,9 => UNS * INC # G3: 3,4 + G1: 1,5 # C7: 2,3,6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # H9: 6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # H9: 5 => UNS * INC # G3: 3,4 + G1: 1,5 # A7: 6,8 => UNS * INC # G3: 3,4 + G1: 1,5 # C7: 6,8 => UNS * INC # G3: 3,4 + G1: 1,5 => UNS * CNT 61 HDP CHAINS / 61 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G7,H8: 1..:
* INC # H8: 1 # D9: 2,8 => UNS * INC # H8: 1 # D9: 4,5,9 => UNS * PRF # H8: 1 # A7: 2,8 => SOL * STA # H8: 1 + A7: 2,8 * CNT 3 HDP CHAINS / 4 HYP OPENED