Analysis of xx-ph-00767946-13_01-base.sdk
Original Sudoku
level: deep
position: ........1.....2.3...4.5.6...1.....27.4....8..8..6..9...7...3...4.5.9....6..84.... initial
Autosolve
position: ........1.....2.3...4.5.6...16....27.4....8..8..6..9...7...3...4.5.9....6..84.... autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:04.060239
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000022
List of important HDP chains detected for D7,F9: 5..:
* DIS # F9: 5 # E7: 1,2 => CTR => E7: 6 * DIS # F9: 5 + E7: 6 # C7: 1,2 => CTR => C7: 8,9 * DIS # F9: 5 + E7: 6 + C7: 8,9 # G7: 1,2 => CTR => G7: 4,5 * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 # A7: 9 => CTR => A7: 1,2 * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 # D8: 7 => CTR => D8: 1,2 * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 # H1: 7,9 => CTR => H1: 4,5,8 * PRF # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 # H3: 8 => SOL * STA # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 + H3: 8 * CNT 7 HDP CHAINS / 20 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
| ........1.....2.3...4.5.6...1.....27.4....8..8..6..9...7...3...4.5.9....6..84.... | initial |
| ........1.....2.3...4.5.6...16....27.4....8..8..6..9...7...3...4.5.9....6..84.... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) E4: 3,8 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H5,H6: 1.. / H5 = 1 => 2 pairs (_) / H6 = 1 => 2 pairs (_) G1,I3: 2.. / G1 = 2 => 2 pairs (_) / I3 = 2 => 1 pairs (_) D7,F9: 5.. / D7 = 5 => 2 pairs (_) / F9 = 5 => 4 pairs (_) B1,B2: 6.. / B1 = 6 => 3 pairs (_) / B2 = 6 => 1 pairs (_) H5,I5: 6.. / H5 = 6 => 3 pairs (_) / I5 = 6 => 2 pairs (_) E7,F8: 6.. / E7 = 6 => 2 pairs (_) / F8 = 6 => 3 pairs (_) B2,E2: 6.. / B2 = 6 => 1 pairs (_) / E2 = 6 => 3 pairs (_) F1,F8: 6.. / F1 = 6 => 2 pairs (_) / F8 = 6 => 3 pairs (_) E4,F4: 8.. / E4 = 8 => 0 pairs (_) / F4 = 8 => 2 pairs (_) C7,B8: 8.. / C7 = 8 => 2 pairs (_) / B8 = 8 => 2 pairs (_) * DURATION: 0:00:07.198283 START: 03:13:24.523000 END: 03:13:31.721283 2020-10-22 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D7,F9: 5.. / D7 = 5 => 0 pairs (X) / F9 = 5 ==> 0 pairs (*) * DURATION: 0:00:20.343537 START: 03:13:38.030291 END: 03:13:58.373828 2020-10-22 * REASONING D7,F9: 5.. * DIS # F9: 5 # E7: 1,2 => CTR => E7: 6 * DIS # F9: 5 + E7: 6 # C7: 1,2 => CTR => C7: 8,9 * DIS # F9: 5 + E7: 6 + C7: 8,9 # G7: 1,2 => CTR => G7: 4,5 * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 # A7: 9 => CTR => A7: 1,2 * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 # D8: 7 => CTR => D8: 1,2 * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 # H1: 7,9 => CTR => H1: 4,5,8 * PRF # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 # H3: 8 => SOL * STA # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 + H3: 8 * CNT 7 HDP CHAINS / 20 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
767946;13_01;DOB;22;11.40;1.50;1.50
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # E1: 3,8 => UNS * INC # E1: 6,7 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # E1: 3,8 => UNS * INC # E1: 6,7 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # E1: 3,8 => UNS * INC # E1: 6,7 => UNS * INC # E1: 3,8 # B1: 3,8 => UNS * INC # E1: 3,8 # C1: 3,8 => UNS * INC # E1: 3,8 => UNS * INC # E1: 6,7 # F1: 6,7 => UNS * INC # E1: 6,7 # E2: 6,7 => UNS * INC # E1: 6,7 => UNS * CNT 8 HDP CHAINS / 8 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D7,F9: 5..:
* INC # F9: 5 # E1: 3,8 => UNS * INC # F9: 5 # E1: 6,7 => UNS * DIS # F9: 5 # E7: 1,2 => CTR => E7: 6 * INC # F9: 5 + E7: 6 # D8: 1,2 => UNS * INC # F9: 5 + E7: 6 # D8: 1,2 => UNS * INC # F9: 5 + E7: 6 # D8: 7 => UNS * INC # F9: 5 + E7: 6 # A7: 1,2 => UNS * DIS # F9: 5 + E7: 6 # C7: 1,2 => CTR => C7: 8,9 * DIS # F9: 5 + E7: 6 + C7: 8,9 # G7: 1,2 => CTR => G7: 4,5 * INC # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 # A7: 1,2 => UNS * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 # A7: 9 => CTR => A7: 1,2 * INC # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 # D8: 1,2 => UNS * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 # D8: 7 => CTR => D8: 1,2 * INC # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 # I8: 6,8 => UNS * INC # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 # I8: 2,3 => UNS * DIS # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 # H1: 7,9 => CTR => H1: 4,5,8 * INC # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 # H3: 7,9 => UNS * INC # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 # H3: 7,9 => UNS * PRF # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 # H3: 8 => SOL * STA # F9: 5 + E7: 6 + C7: 8,9 + G7: 4,5 + A7: 1,2 + D8: 1,2 + H1: 4,5,8 + H3: 8 * CNT 19 HDP CHAINS / 20 HYP OPENED