Analysis of xx-ph-00001487-H82-base.sdk
Contents
Original Sudoku
level: deep
position: .....1.3........65..3.6...9..9.5...61....2....7.4.......6.8..5..2.7.....4.....8.. initial
Autosolve
position: .....1.3........65..3.6...9..9.5...61....2....7.4.......6.8..5..2.7..6..4.....8.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000011
List of important HDP chains detected for D4,E6: 1..:
* DIS # E6: 1 # F4: 3,8 => CTR => F4: 7 * DIS # E6: 1 + F4: 7 # E2: 3,9 => CTR => E2: 2,4,7 * CNT 2 HDP CHAINS / 66 HYP OPENED
List of important HDP chains detected for A7,C9: 7..:
* DIS # C9: 7 # D7: 3,9 => CTR => D7: 1,2 * PRF # C9: 7 + D7: 1,2 # F7: 3,9 => SOL * STA # C9: 7 + D7: 1,2 + F7: 3,9 * CNT 2 HDP CHAINS / 11 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
| .....1.3........65..3.6...9..9.5...61....2....7.4.......6.8..5..2.7.....4.....8.. | initial |
| .....1.3........65..3.6...9..9.5...61....2....7.4.......6.8..5..2.7..6..4.....8.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E6: 1.. / D4 = 1 => 1 pairs (_) / E6 = 1 => 2 pairs (_) G5,G6: 5.. / G5 = 5 => 1 pairs (_) / G6 = 5 => 1 pairs (_) A1,B1: 6.. / A1 = 6 => 0 pairs (_) / B1 = 6 => 0 pairs (_) B5,A6: 6.. / B5 = 6 => 0 pairs (_) / A6 = 6 => 0 pairs (_) D5,F6: 6.. / D5 = 6 => 0 pairs (_) / F6 = 6 => 0 pairs (_) D9,F9: 6.. / D9 = 6 => 0 pairs (_) / F9 = 6 => 0 pairs (_) B5,D5: 6.. / B5 = 6 => 0 pairs (_) / D5 = 6 => 0 pairs (_) A6,F6: 6.. / A6 = 6 => 0 pairs (_) / F6 = 6 => 0 pairs (_) A1,A6: 6.. / A1 = 6 => 0 pairs (_) / A6 = 6 => 0 pairs (_) B1,B5: 6.. / B1 = 6 => 0 pairs (_) / B5 = 6 => 0 pairs (_) D5,D9: 6.. / D5 = 6 => 0 pairs (_) / D9 = 6 => 0 pairs (_) F6,F9: 6.. / F6 = 6 => 0 pairs (_) / F9 = 6 => 0 pairs (_) F4,E5: 7.. / F4 = 7 => 1 pairs (_) / E5 = 7 => 1 pairs (_) A7,C9: 7.. / A7 = 7 => 1 pairs (_) / C9 = 7 => 1 pairs (_) I1,H3: 8.. / I1 = 8 => 0 pairs (_) / H3 = 8 => 1 pairs (_) A8,C8: 8.. / A8 = 8 => 2 pairs (_) / C8 = 8 => 2 pairs (_) * DURATION: 0:00:18.376237 START: 18:56:54.644756 END: 18:57:13.020993 2020-11-28 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A8,C8: 8.. / A8 = 8 ==> 2 pairs (_) / C8 = 8 ==> 2 pairs (_) D4,E6: 1.. / D4 = 1 ==> 1 pairs (_) / E6 = 1 ==> 3 pairs (_) A7,C9: 7.. / A7 = 7 ==> 1 pairs (_) / C9 = 7 ==> 0 pairs (*) * DURATION: 0:01:25.627401 START: 18:57:13.022054 END: 18:58:38.649455 2020-11-28 * REASONING D4,E6: 1.. * DIS # E6: 1 # F4: 3,8 => CTR => F4: 7 * DIS # E6: 1 + F4: 7 # E2: 3,9 => CTR => E2: 2,4,7 * CNT 2 HDP CHAINS / 66 HYP OPENED * REASONING A7,C9: 7.. * DIS # C9: 7 # D7: 3,9 => CTR => D7: 1,2 * PRF # C9: 7 + D7: 1,2 # F7: 3,9 => SOL * STA # C9: 7 + D7: 1,2 + F7: 3,9 * CNT 2 HDP CHAINS / 11 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
1487;H82;col;21;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A8,C8: 8..:
* INC # A8: 8 # A6: 2,3 => UNS * INC # A8: 8 # A6: 5,6 => UNS * INC # A8: 8 # G4: 2,3 => UNS * INC # A8: 8 # G4: 1,4,7 => UNS * INC # A8: 8 # B9: 1,5 => UNS * INC # A8: 8 # C9: 1,5 => UNS * INC # A8: 8 => UNS * INC # C8: 8 # B5: 4,5 => UNS * INC # C8: 8 # B5: 3,6,8 => UNS * INC # C8: 8 # G5: 4,5 => UNS * INC # C8: 8 # G5: 3,7,9 => UNS * INC # C8: 8 # C1: 4,5 => UNS * INC # C8: 8 # C1: 2,7 => UNS * INC # C8: 8 # A6: 2,5 => UNS * INC # C8: 8 # A6: 3,6,8 => UNS * INC # C8: 8 # G6: 2,5 => UNS * INC # C8: 8 # G6: 1,3,9 => UNS * INC # C8: 8 # C1: 2,5 => UNS * INC # C8: 8 # C1: 4,7 => UNS * INC # C8: 8 => UNS * CNT 20 HDP CHAINS / 20 HYP OPENED
Full list of HDP chains traversed for D4,E6: 1..:
* DIS # E6: 1 # F4: 3,8 => CTR => F4: 7 * INC # E6: 1 + F4: 7 # D5: 3,8 => UNS * INC # E6: 1 + F4: 7 # F6: 3,8 => UNS * INC # E6: 1 + F4: 7 # A4: 3,8 => UNS * INC # E6: 1 + F4: 7 # B4: 3,8 => UNS * INC # E6: 1 + F4: 7 # D2: 3,8 => UNS * INC # E6: 1 + F4: 7 # D2: 2,9 => UNS * INC # E6: 1 + F4: 7 # G7: 4,9 => UNS * INC # E6: 1 + F4: 7 # G7: 2,3,7 => UNS * INC # E6: 1 + F4: 7 # E8: 4,9 => UNS * INC # E6: 1 + F4: 7 # F8: 4,9 => UNS * INC # E6: 1 + F4: 7 # H5: 4,9 => UNS * INC # E6: 1 + F4: 7 # H5: 7,8 => UNS * INC # E6: 1 + F4: 7 # D5: 3,8 => UNS * INC # E6: 1 + F4: 7 # F6: 3,8 => UNS * INC # E6: 1 + F4: 7 # A4: 3,8 => UNS * INC # E6: 1 + F4: 7 # B4: 3,8 => UNS * INC # E6: 1 + F4: 7 # D2: 3,8 => UNS * INC # E6: 1 + F4: 7 # D2: 2,9 => UNS * INC # E6: 1 + F4: 7 # D5: 3,9 => UNS * INC # E6: 1 + F4: 7 # F6: 3,9 => UNS * INC # E6: 1 + F4: 7 # G5: 3,9 => UNS * INC # E6: 1 + F4: 7 # G5: 4,5,7 => UNS * DIS # E6: 1 + F4: 7 # E2: 3,9 => CTR => E2: 2,4,7 * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E8: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E9: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # D5: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # F6: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G5: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G5: 4,5,7 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E8: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E9: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G7: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G7: 2,3,7 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E8: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # F8: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # H5: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # H5: 7,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # D5: 3,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # F6: 3,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # A4: 3,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # B4: 3,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # D2: 3,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # D2: 2,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # D5: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # F6: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G5: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G5: 4,5,7 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E8: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E9: 3,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G7: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # G7: 2,3,7 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # E8: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # F8: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # H5: 4,9 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 # H5: 7,8 => UNS * INC # E6: 1 + F4: 7 + E2: 2,4,7 => UNS * INC # D4: 1 # D5: 3,9 => UNS * INC # D4: 1 # E5: 3,9 => UNS * INC # D4: 1 # F6: 3,9 => UNS * INC # D4: 1 # G6: 3,9 => UNS * INC # D4: 1 # G6: 1,2,5 => UNS * INC # D4: 1 # E2: 3,9 => UNS * INC # D4: 1 # E8: 3,9 => UNS * INC # D4: 1 # E9: 3,9 => UNS * INC # D4: 1 => UNS * CNT 66 HDP CHAINS / 66 HYP OPENED
Full list of HDP chains traversed for A7,C9: 7..:
* INC # A7: 7 # C8: 1,5 => UNS * INC # A7: 7 # B9: 1,5 => UNS * INC # A7: 7 # D9: 1,5 => UNS * INC # A7: 7 # D9: 2,3,6,9 => UNS * INC # A7: 7 => UNS * INC # C9: 7 # B7: 3,9 => UNS * INC # C9: 7 # A8: 3,9 => UNS * INC # C9: 7 # B9: 3,9 => UNS * DIS # C9: 7 # D7: 3,9 => CTR => D7: 1,2 * PRF # C9: 7 + D7: 1,2 # F7: 3,9 => SOL * STA # C9: 7 + D7: 1,2 + F7: 3,9 * CNT 10 HDP CHAINS / 11 HYP OPENED