Analysis of xx-ph-00348601-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: .....1..2....3..4...12..5....5..26...4......78......9...6.2.3...9.61...87..5..... initial
Autosolve
position: .....1..2....3..4...12..5....5..26...4......78......9...6.2.3...9.61...87..5..... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for I6,I7: 5..:
* DIS # I7: 5 # B9: 1,8 => CTR => B9: 2,3 * DIS # I7: 5 + B9: 2,3 # I9: 1,9 => CTR => I9: 6 * PRF # I7: 5 + B9: 2,3 + I9: 6 # G2: 1 => SOL * STA # I7: 5 + B9: 2,3 + I9: 6 + G2: 1 * CNT 3 HDP CHAINS / 25 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...12..5....5..26...4......78......9...6.2.3...9.61...87..5..... | initial |
| .....1..2....3..4...12..5....5..26...4......78......9...6.2.3...9.61...87..5..... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G2,I2: 1.. / G2 = 1 => 3 pairs (_) / I2 = 1 => 1 pairs (_) F8,F9: 3.. / F8 = 3 => 2 pairs (_) / F9 = 3 => 1 pairs (_) E1,F2: 5.. / E1 = 5 => 0 pairs (_) / F2 = 5 => 0 pairs (_) H5,I6: 5.. / H5 = 5 => 6 pairs (_) / I6 = 5 => 0 pairs (_) A8,H8: 5.. / A8 = 5 => 3 pairs (_) / H8 = 5 => 1 pairs (_) I6,I7: 5.. / I6 = 5 => 0 pairs (_) / I7 = 5 => 6 pairs (_) A5,B6: 6.. / A5 = 6 => 0 pairs (_) / B6 = 6 => 0 pairs (_) H9,I9: 6.. / H9 = 6 => 0 pairs (_) / I9 = 6 => 3 pairs (_) * DURATION: 0:00:04.968702 START: 19:08:40.363109 END: 19:08:45.331811 2020-12-25 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I6,I7: 5.. / I6 = 5 => 0 pairs (X) / I7 = 5 ==> 0 pairs (*) * DURATION: 0:00:20.334280 START: 19:08:45.332584 END: 19:09:05.666864 2020-12-25 * REASONING I6,I7: 5.. * DIS # I7: 5 # B9: 1,8 => CTR => B9: 2,3 * DIS # I7: 5 + B9: 2,3 # I9: 1,9 => CTR => I9: 6 * PRF # I7: 5 + B9: 2,3 + I9: 6 # G2: 1 => SOL * STA # I7: 5 + B9: 2,3 + I9: 6 + G2: 1 * CNT 3 HDP CHAINS / 25 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
348601;12_12_03;dob;23;11.30;11.30;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I6,I7: 5..:
* DIS # I7: 5 # B9: 1,8 => CTR => B9: 2,3 * INC # I7: 5 + B9: 2,3 # D7: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # F7: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # E1: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # E3: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # E4: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # A5: 2,9 => UNS * INC # I7: 5 + B9: 2,3 # A5: 1,3,6 => UNS * INC # I7: 5 + B9: 2,3 # C2: 2,9 => UNS * INC # I7: 5 + B9: 2,3 # C2: 7,8 => UNS * INC # I7: 5 + B9: 2,3 # C2: 2,7 => UNS * INC # I7: 5 + B9: 2,3 # C2: 8,9 => UNS * INC # I7: 5 + B9: 2,3 # G5: 1,2 => UNS * INC # I7: 5 + B9: 2,3 # G5: 8 => UNS * INC # I7: 5 + B9: 2,3 # C1: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # C1: 7,9 => UNS * INC # I7: 5 + B9: 2,3 # D7: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # F7: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # E1: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # E3: 4,8 => UNS * INC # I7: 5 + B9: 2,3 # E4: 4,8 => UNS * DIS # I7: 5 + B9: 2,3 # I9: 1,9 => CTR => I9: 6 * INC # I7: 5 + B9: 2,3 + I9: 6 # G2: 7,8 => UNS * PRF # I7: 5 + B9: 2,3 + I9: 6 # G2: 1 => SOL * STA # I7: 5 + B9: 2,3 + I9: 6 + G2: 1 * CNT 24 HDP CHAINS / 25 HYP OPENED