Analysis of xx-ph-00025617-KC40b-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7...96.....68.....5..4...3..2......1..9.8.5....5.7.8.....1...4......3..2 initial
Autosolve
position: 98.7..6..7...96.....68.....5..4...3..2......1..9.8.5....5.7.8.....1.8.4......3..2 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000005
List of important HDP chains detected for E8,I8: 5..:
* DIS # E8: 5 # H3: 1,2 => CTR => H3: 7,9 * PRF # E8: 5 + H3: 7,9 # D5: 6,9 => SOL * STA # E8: 5 + H3: 7,9 + D5: 6,9 * CNT 2 HDP CHAINS / 23 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..7...96.....68.....5..4...3..2......1..9.8.5....5.7.8.....1...4......3..2 | initial |
| 98.7..6..7...96.....68.....5..4...3..2......1..9.8.5....5.7.8.....1.8.4......3..2 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G4,H6: 2.. / G4 = 2 => 2 pairs (_) / H6 = 2 => 4 pairs (_) G5,I6: 4.. / G5 = 4 => 1 pairs (_) / I6 = 4 => 2 pairs (_) F7,E9: 4.. / F7 = 4 => 1 pairs (_) / E9 = 4 => 1 pairs (_) B2,B3: 5.. / B2 = 5 => 1 pairs (_) / B3 = 5 => 0 pairs (_) I8,H9: 5.. / I8 = 5 => 2 pairs (_) / H9 = 5 => 4 pairs (_) E8,I8: 5.. / E8 = 5 => 4 pairs (_) / I8 = 5 => 2 pairs (_) H2,I2: 8.. / H2 = 8 => 1 pairs (_) / I2 = 8 => 0 pairs (_) I4,H5: 8.. / I4 = 8 => 1 pairs (_) / H5 = 8 => 0 pairs (_) A9,C9: 8.. / A9 = 8 => 0 pairs (_) / C9 = 8 => 1 pairs (_) C4,I4: 8.. / C4 = 8 => 0 pairs (_) / I4 = 8 => 1 pairs (_) A5,A9: 8.. / A5 = 8 => 1 pairs (_) / A9 = 8 => 0 pairs (_) H2,H5: 8.. / H2 = 8 => 1 pairs (_) / H5 = 8 => 0 pairs (_) I2,I4: 8.. / I2 = 8 => 0 pairs (_) / I4 = 8 => 1 pairs (_) * DURATION: 0:00:07.805159 START: 20:39:06.777602 END: 20:39:14.582761 2020-12-08 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E8,I8: 5.. / E8 = 5 ==> 0 pairs (*) / I8 = 5 => 0 pairs (X) * DURATION: 0:00:18.849476 START: 20:39:14.583306 END: 20:39:33.432782 2020-12-08 * REASONING E8,I8: 5.. * DIS # E8: 5 # H3: 1,2 => CTR => H3: 7,9 * PRF # E8: 5 + H3: 7,9 # D5: 6,9 => SOL * STA # E8: 5 + H3: 7,9 + D5: 6,9 * CNT 2 HDP CHAINS / 23 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
25617;KC40b;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E8,I8: 5..:
* INC # E8: 5 # G2: 1,2 => UNS * INC # E8: 5 # H2: 1,2 => UNS * INC # E8: 5 # G3: 1,2 => UNS * DIS # E8: 5 # H3: 1,2 => CTR => H3: 7,9 * INC # E8: 5 + H3: 7,9 # C1: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # E1: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # F1: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # G2: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # H2: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # G3: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # C1: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # E1: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # F1: 1,2 => UNS * INC # E8: 5 + H3: 7,9 # D5: 3,6 => UNS * INC # E8: 5 + H3: 7,9 # D6: 3,6 => UNS * INC # E8: 5 + H3: 7,9 # A5: 3,6 => UNS * INC # E8: 5 + H3: 7,9 # A5: 4,8 => UNS * INC # E8: 5 + H3: 7,9 # D7: 6,9 => UNS * INC # E8: 5 + H3: 7,9 # D7: 2 => UNS * INC # E8: 5 + H3: 7,9 # B9: 6,9 => UNS * INC # E8: 5 + H3: 7,9 # B9: 1,4,7 => UNS * PRF # E8: 5 + H3: 7,9 # D5: 6,9 => SOL * STA # E8: 5 + H3: 7,9 + D5: 6,9 * CNT 22 HDP CHAINS / 23 HYP OPENED