Analysis of xx-ph-00042052-12_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76....54.........7..58..4....79.....3...2.....1...6.5...97....4.7...1...2...3. initial
Autosolve
position: 98.76....54.........7..58..4....79.....3...2.....1...6.5...97....4.7...1...2...3. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for D8,E9: 5..:
* DIS # D8: 5 # D7: 4,8 => CTR => D7: 1,6 * CNT 1 HDP CHAINS / 54 HYP OPENED
List of important HDP chains detected for D4,F5: 6..:
* DIS # F5: 6 # E4: 5,8 => CTR => E4: 2 * PRF # F5: 6 + E4: 2 # C4: 5,8 => SOL * STA # F5: 6 + E4: 2 + C4: 5,8 * CNT 2 HDP CHAINS / 19 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
| 98.76....54.........7..58..4....79.....3...2.....1...6.5...97....4.7...1...2...3. | initial |
| 98.76....54.........7..58..4....79.....3...2.....1...6.5...97....4.7...1...2...3. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H4,G5: 1.. / H4 = 1 => 2 pairs (_) / G5 = 1 => 1 pairs (_) D7,F9: 1.. / D7 = 1 => 2 pairs (_) / F9 = 1 => 0 pairs (_) E4,F6: 2.. / E4 = 2 => 1 pairs (_) / F6 = 2 => 1 pairs (_) I7,G8: 2.. / I7 = 2 => 1 pairs (_) / G8 = 2 => 1 pairs (_) I4,G6: 3.. / I4 = 3 => 1 pairs (_) / G6 = 3 => 1 pairs (_) E7,F8: 3.. / E7 = 3 => 1 pairs (_) / F8 = 3 => 1 pairs (_) D8,E9: 5.. / D8 = 5 => 3 pairs (_) / E9 = 5 => 3 pairs (_) D4,F5: 6.. / D4 = 6 => 2 pairs (_) / F5 = 6 => 2 pairs (_) H2,I2: 7.. / H2 = 7 => 0 pairs (_) / I2 = 7 => 0 pairs (_) I5,H6: 7.. / I5 = 7 => 0 pairs (_) / H6 = 7 => 0 pairs (_) A9,B9: 7.. / A9 = 7 => 0 pairs (_) / B9 = 7 => 0 pairs (_) H2,H6: 7.. / H2 = 7 => 0 pairs (_) / H6 = 7 => 0 pairs (_) I2,I5: 7.. / I2 = 7 => 0 pairs (_) / I5 = 7 => 0 pairs (_) E5,D6: 9.. / E5 = 9 => 0 pairs (_) / D6 = 9 => 2 pairs (_) H8,I9: 9.. / H8 = 9 => 0 pairs (_) / I9 = 9 => 0 pairs (_) B8,H8: 9.. / B8 = 9 => 0 pairs (_) / H8 = 9 => 0 pairs (_) * DURATION: 0:00:10.449947 START: 06:20:08.770108 END: 06:20:19.220055 2020-12-19 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D8,E9: 5.. / D8 = 5 ==> 4 pairs (_) / E9 = 5 ==> 3 pairs (_) D4,F5: 6.. / D4 = 6 ==> 2 pairs (_) / F5 = 6 ==> 0 pairs (*) * DURATION: 0:00:43.246965 START: 06:20:19.220700 END: 06:21:02.467665 2020-12-19 * REASONING D8,E9: 5.. * DIS # D8: 5 # D7: 4,8 => CTR => D7: 1,6 * CNT 1 HDP CHAINS / 54 HYP OPENED * REASONING D4,F5: 6.. * DIS # F5: 6 # E4: 5,8 => CTR => E4: 2 * PRF # F5: 6 + E4: 2 # C4: 5,8 => SOL * STA # F5: 6 + E4: 2 + C4: 5,8 * CNT 2 HDP CHAINS / 19 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
42052;12_07;GP;24;11.30;11.30;11.10
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D8,E9: 5..:
* INC # D8: 5 # F5: 6,8 => UNS * INC # D8: 5 # F5: 4 => UNS * INC # D8: 5 # C4: 6,8 => UNS * INC # D8: 5 # C4: 1,2,3,5 => UNS * INC # D8: 5 # D7: 6,8 => UNS * INC # D8: 5 # D7: 1,4 => UNS * DIS # D8: 5 # D7: 4,8 => CTR => D7: 1,6 * INC # D8: 5 + D7: 1,6 # E7: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # F9: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # I9: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # I9: 5,9 => UNS * INC # D8: 5 + D7: 1,6 # E5: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # E5: 5,9 => UNS * INC # D8: 5 + D7: 1,6 # A8: 2,6 => UNS * INC # D8: 5 + D7: 1,6 # B8: 2,6 => UNS * INC # D8: 5 + D7: 1,6 # G2: 2,6 => UNS * INC # D8: 5 + D7: 1,6 # G2: 1,3 => UNS * INC # D8: 5 + D7: 1,6 # F5: 6,8 => UNS * INC # D8: 5 + D7: 1,6 # F5: 4 => UNS * INC # D8: 5 + D7: 1,6 # C4: 6,8 => UNS * INC # D8: 5 + D7: 1,6 # C4: 1,2,3,5 => UNS * INC # D8: 5 + D7: 1,6 # F9: 1,6 => UNS * INC # D8: 5 + D7: 1,6 # F9: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # A7: 1,6 => UNS * INC # D8: 5 + D7: 1,6 # C7: 1,6 => UNS * INC # D8: 5 + D7: 1,6 # E7: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # F9: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # I9: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # I9: 5,9 => UNS * INC # D8: 5 + D7: 1,6 # E5: 4,8 => UNS * INC # D8: 5 + D7: 1,6 # E5: 5,9 => UNS * INC # D8: 5 + D7: 1,6 # A8: 2,6 => UNS * INC # D8: 5 + D7: 1,6 # B8: 2,6 => UNS * INC # D8: 5 + D7: 1,6 # G2: 2,6 => UNS * INC # D8: 5 + D7: 1,6 # G2: 1,3 => UNS * INC # D8: 5 + D7: 1,6 => UNS * INC # E9: 5 # F6: 2,8 => UNS * INC # E9: 5 # F6: 4 => UNS * INC # E9: 5 # C4: 2,8 => UNS * INC # E9: 5 # C4: 1,3,5,6 => UNS * INC # E9: 5 # E2: 2,8 => UNS * INC # E9: 5 # E2: 3,9 => UNS * INC # E9: 5 # D7: 6,8 => UNS * INC # E9: 5 # F8: 6,8 => UNS * INC # E9: 5 # F9: 6,8 => UNS * INC # E9: 5 # A8: 6,8 => UNS * INC # E9: 5 # H8: 6,8 => UNS * INC # E9: 5 # D4: 6,8 => UNS * INC # E9: 5 # D4: 5 => UNS * INC # E9: 5 # H7: 4,6 => UNS * INC # E9: 5 # H7: 8 => UNS * INC # E9: 5 # F9: 4,6 => UNS * INC # E9: 5 # F9: 1,8 => UNS * INC # E9: 5 => UNS * CNT 54 HDP CHAINS / 54 HYP OPENED
Full list of HDP chains traversed for D4,F5: 6..:
* INC # D4: 6 # E5: 4,8 => UNS * INC # D4: 6 # D6: 4,8 => UNS * INC # D4: 6 # F6: 4,8 => UNS * INC # D4: 6 # I5: 4,8 => UNS * INC # D4: 6 # I5: 5,7 => UNS * INC # D4: 6 # F9: 4,8 => UNS * INC # D4: 6 # F9: 1,6 => UNS * INC # D4: 6 # E9: 5,8 => UNS * INC # D4: 6 # E9: 4 => UNS * INC # D4: 6 # H8: 5,8 => UNS * INC # D4: 6 # H8: 6,9 => UNS * INC # D4: 6 # D6: 5,8 => UNS * INC # D4: 6 # D6: 4,9 => UNS * INC # D4: 6 => UNS * DIS # F5: 6 # E4: 5,8 => CTR => E4: 2 * INC # F5: 6 + E4: 2 # E5: 5,8 => UNS * INC # F5: 6 + E4: 2 # D6: 5,8 => UNS * PRF # F5: 6 + E4: 2 # C4: 5,8 => SOL * STA # F5: 6 + E4: 2 + C4: 5,8 * CNT 18 HDP CHAINS / 19 HYP OPENED