Analysis of xx-ph-00653197-12_12_19-base.sdk
Original Sudoku
level: deep
position: .......12..1..3....4..5.6.....7.2.3..8..9.4..7.......6..8.6.....5.9...6.4....59.. initial
Autosolve
position: .......12..1..3....4..5.6.....7.2.3..8..9.4..7.......6..8.6.....5.9...6.4....59.. autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:12.194611
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000014
List of important HDP chains detected for F1,F5: 6..:
* DIS # F1: 6 # I3: 7,8 => CTR => I3: 3 * DIS # F1: 6 + I3: 3 # I4: 1,8 => CTR => I4: 5,9 * PRF # F1: 6 + I3: 3 + I4: 5,9 # G6: 1,8 => SOL * STA # F1: 6 + I3: 3 + I4: 5,9 + G6: 1,8 * CNT 3 HDP CHAINS / 24 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
| .......12..1..3....4..5.6.....7.2.3..8..9.4..7.......6..8.6.....5.9...6.4....59.. | initial |
| .......12..1..3....4..5.6.....7.2.3..8..9.4..7.......6..8.6.....5.9...6.4....59.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) F5: 1,6 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D3,F3: 1.. / D3 = 1 => 1 pairs (_) / F3 = 1 => 3 pairs (_) G1,I3: 3.. / G1 = 3 => 1 pairs (_) / I3 = 3 => 1 pairs (_) H2,I2: 4.. / H2 = 4 => 1 pairs (_) / I2 = 4 => 2 pairs (_) C4,C6: 4.. / C4 = 4 => 2 pairs (_) / C6 = 4 => 3 pairs (_) C4,E4: 4.. / C4 = 4 => 2 pairs (_) / E4 = 4 => 3 pairs (_) H2,H7: 4.. / H2 = 4 => 1 pairs (_) / H7 = 4 => 2 pairs (_) D5,D6: 5.. / D5 = 5 => 3 pairs (_) / D6 = 5 => 1 pairs (_) D5,F5: 6.. / D5 = 6 => 11 pairs (_) / F5 = 6 => 0 pairs (_) B9,C9: 6.. / B9 = 6 => 2 pairs (_) / C9 = 6 => 1 pairs (_) F1,F5: 6.. / F1 = 6 => 11 pairs (_) / F5 = 6 => 0 pairs (_) H5,I5: 7.. / H5 = 7 => 4 pairs (_) / I5 = 7 => 2 pairs (_) F1,F3: 9.. / F1 = 9 => 0 pairs (_) / F3 = 9 => 6 pairs (_) I4,H6: 9.. / I4 = 9 => 2 pairs (_) / H6 = 9 => 2 pairs (_) A7,B7: 9.. / A7 = 9 => 1 pairs (_) / B7 = 9 => 2 pairs (_) * DURATION: 0:00:10.128502 START: 12:12:34.614552 END: 12:12:44.743054 2020-12-28 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F1,F5: 6.. / F1 = 6 ==> 0 pairs (*) / F5 = 6 => 0 pairs (X) * DURATION: 0:00:27.538479 START: 12:12:59.167990 END: 12:13:26.706469 2020-12-28 * REASONING F1,F5: 6.. * DIS # F1: 6 # I3: 7,8 => CTR => I3: 3 * DIS # F1: 6 + I3: 3 # I4: 1,8 => CTR => I4: 5,9 * PRF # F1: 6 + I3: 3 + I4: 5,9 # G6: 1,8 => SOL * STA # F1: 6 + I3: 3 + I4: 5,9 + G6: 1,8 * CNT 3 HDP CHAINS / 24 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
653197;12_12_19;dob;23;11.30;11.30;2.60
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # D5: 1,6 => UNS * INC # D5: 3,5 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # D5: 1,6 => UNS * INC # D5: 3,5 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # D5: 1,6 => UNS * INC # D5: 3,5 => UNS * INC # D5: 1,6 # A1: 6,9 => UNS * INC # D5: 1,6 # B1: 6,9 => UNS * INC # D5: 1,6 # C1: 6,9 => UNS * INC # D5: 1,6 # E1: 4,8 => UNS * INC # D5: 1,6 # E8: 4,8 => UNS * INC # D5: 1,6 # F8: 4,8 => UNS * INC # D5: 1,6 # F8: 7 => UNS * INC # D5: 1,6 # H5: 5,7 => UNS * INC # D5: 1,6 # H5: 2 => UNS * INC # D5: 1,6 # I2: 5,7 => UNS * INC # D5: 1,6 # I7: 5,7 => UNS * INC # D5: 1,6 # F8: 4,7 => UNS * INC # D5: 1,6 # F8: 8 => UNS * INC # D5: 1,6 # H7: 4,7 => UNS * INC # D5: 1,6 # I7: 4,7 => UNS * INC # D5: 1,6 => UNS * INC # D5: 3,5 # D6: 3,5 => UNS * INC # D5: 3,5 # D6: 1,4,8 => UNS * INC # D5: 3,5 # A5: 3,5 => UNS * INC # D5: 3,5 # C5: 3,5 => UNS * INC # D5: 3,5 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F1,F5: 6..:
* INC # F1: 6 # B9: 6,7 => UNS * INC # F1: 6 # B9: 1,2,3 => UNS * INC # F1: 6 # E1: 4,8 => UNS * INC # F1: 6 # E1: 7 => UNS * INC # F1: 6 # E2: 2,8 => UNS * INC # F1: 6 # E2: 7 => UNS * INC # F1: 6 # D9: 2,8 => UNS * INC # F1: 6 # D9: 3 => UNS * INC # F1: 6 # G1: 7,8 => UNS * INC # F1: 6 # G2: 7,8 => UNS * DIS # F1: 6 # I3: 7,8 => CTR => I3: 3 * INC # F1: 6 + I3: 3 # H9: 7,8 => UNS * INC # F1: 6 + I3: 3 # H9: 2 => UNS * INC # F1: 6 + I3: 3 # G1: 7,8 => UNS * INC # F1: 6 + I3: 3 # G2: 7,8 => UNS * INC # F1: 6 + I3: 3 # H9: 7,8 => UNS * INC # F1: 6 + I3: 3 # H9: 2 => UNS * INC # F1: 6 + I3: 3 # E1: 4,8 => UNS * INC # F1: 6 + I3: 3 # E8: 4,8 => UNS * INC # F1: 6 + I3: 3 # F8: 4,8 => UNS * INC # F1: 6 + I3: 3 # F8: 7 => UNS * DIS # F1: 6 + I3: 3 # I4: 1,8 => CTR => I4: 5,9 * PRF # F1: 6 + I3: 3 + I4: 5,9 # G6: 1,8 => SOL * STA # F1: 6 + I3: 3 + I4: 5,9 + G6: 1,8 * CNT 23 HDP CHAINS / 24 HYP OPENED