Analysis of xx-ph-00697483-12_12_19-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.......2...3.124.....5..6....4.36.1..7....3....1.43..6.6.8.....9....5.4. initial
Autosolve
position: ........1.......2...3.124..3..5..6....4.36.1..7....3....1.43..646.8.....93...5.4. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for I2,I8: 3..:
* DIS # I8: 3 # D7: 7,9 => CTR => D7: 2 * DIS # I8: 3 + D7: 2 # B4: 8,9 => CTR => B4: 1,2 * DIS # I8: 3 + D7: 2 + B4: 1,2 # C6: 8,9 => CTR => C6: 5,6 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # I4: 8,9 => CTR => I4: 2,4,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 # C1: 8,9 => CTR => C1: 5,6,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 # C2: 8,9 => CTR => C2: 5,6,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 # G5: 7,9 => CTR => G5: 2,5,8 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 # F8: 7,9 => CTR => F8: 1 * PRF # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 + F8: 1 => SOL * STA I8: 3 * CNT 9 HDP CHAINS / 38 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...3.124.....5..6....4.36.1..7....3....1.43..6.6.8.....9....5.4. | initial |
| ........1.......2...3.124..3..5..6....4.36.1..7....3....1.43..646.8.....93...5.4. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A2,B2: 1.. / A2 = 1 => 0 pairs (_) / B2 = 1 => 1 pairs (_) B4,A6: 1.. / B4 = 1 => 0 pairs (_) / A6 = 1 => 1 pairs (_) F8,D9: 1.. / F8 = 1 => 2 pairs (_) / D9 = 1 => 1 pairs (_) G8,G9: 1.. / G8 = 1 => 1 pairs (_) / G9 = 1 => 2 pairs (_) B4,F4: 1.. / B4 = 1 => 0 pairs (_) / F4 = 1 => 1 pairs (_) F8,G8: 1.. / F8 = 1 => 2 pairs (_) / G8 = 1 => 1 pairs (_) D9,G9: 1.. / D9 = 1 => 1 pairs (_) / G9 = 1 => 2 pairs (_) A2,A6: 1.. / A2 = 1 => 0 pairs (_) / A6 = 1 => 1 pairs (_) B2,B4: 1.. / B2 = 1 => 1 pairs (_) / B4 = 1 => 0 pairs (_) D6,D9: 1.. / D6 = 1 => 2 pairs (_) / D9 = 1 => 1 pairs (_) D1,D2: 3.. / D1 = 3 => 0 pairs (_) / D2 = 3 => 4 pairs (_) H1,I2: 3.. / H1 = 3 => 4 pairs (_) / I2 = 3 => 0 pairs (_) H8,I8: 3.. / H8 = 3 => 0 pairs (_) / I8 = 3 => 4 pairs (_) D1,H1: 3.. / D1 = 3 => 0 pairs (_) / H1 = 3 => 4 pairs (_) D2,I2: 3.. / D2 = 3 => 4 pairs (_) / I2 = 3 => 0 pairs (_) H1,H8: 3.. / H1 = 3 => 4 pairs (_) / H8 = 3 => 0 pairs (_) I2,I8: 3.. / I2 = 3 => 0 pairs (_) / I8 = 3 => 4 pairs (_) B1,B2: 4.. / B1 = 4 => 0 pairs (_) / B2 = 4 => 0 pairs (_) I4,I6: 4.. / I4 = 4 => 0 pairs (_) / I6 = 4 => 2 pairs (_) F4,I4: 4.. / F4 = 4 => 2 pairs (_) / I4 = 4 => 0 pairs (_) E1,E2: 5.. / E1 = 5 => 0 pairs (_) / E2 = 5 => 0 pairs (_) H1,H3: 6.. / H1 = 6 => 0 pairs (_) / H3 = 6 => 3 pairs (_) A6,C6: 6.. / A6 = 6 => 0 pairs (_) / C6 = 6 => 0 pairs (_) D9,E9: 6.. / D9 = 6 => 7 pairs (_) / E9 = 6 => 0 pairs (_) * DURATION: 0:00:17.397210 START: 23:14:00.388610 END: 23:14:17.785820 2020-12-29 * CP COUNT: (24) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D9,E9: 6.. / D9 = 6 ==> 7 pairs (_) / E9 = 6 ==> 0 pairs (_) I2,I8: 3.. / I2 = 3 => 0 pairs (X) / I8 = 3 ==> 0 pairs (*) * DURATION: 0:00:52.734665 START: 23:14:17.786437 END: 23:15:10.521102 2020-12-29 * REASONING I2,I8: 3.. * DIS # I8: 3 # D7: 7,9 => CTR => D7: 2 * DIS # I8: 3 + D7: 2 # B4: 8,9 => CTR => B4: 1,2 * DIS # I8: 3 + D7: 2 + B4: 1,2 # C6: 8,9 => CTR => C6: 5,6 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # I4: 8,9 => CTR => I4: 2,4,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 # C1: 8,9 => CTR => C1: 5,6,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 # C2: 8,9 => CTR => C2: 5,6,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 # G5: 7,9 => CTR => G5: 2,5,8 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 # F8: 7,9 => CTR => F8: 1 * PRF # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 + F8: 1 => SOL * STA I8: 3 * CNT 9 HDP CHAINS / 38 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
697483;12_12_19;dob;23;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D9,E9: 6..:
* INC # D9: 6 # A1: 5,6 => UNS * INC # D9: 6 # C1: 5,6 => UNS * INC # D9: 6 # H1: 5,6 => UNS * INC # D9: 6 # C2: 5,6 => UNS * INC # D9: 6 # C2: 7,8,9 => UNS * INC # D9: 6 # F1: 7,9 => UNS * INC # D9: 6 # F2: 7,9 => UNS * INC # D9: 6 # H3: 7,9 => UNS * INC # D9: 6 # I3: 7,9 => UNS * INC # D9: 6 # D5: 7,9 => UNS * INC # D9: 6 # D7: 7,9 => UNS * INC # D9: 6 # F4: 4,9 => UNS * INC # D9: 6 # F4: 7 => UNS * INC # D9: 6 # I6: 4,9 => UNS * INC # D9: 6 # I6: 2,5,8 => UNS * INC # D9: 6 # D7: 2,7 => UNS * INC # D9: 6 # E8: 2,7 => UNS * INC # D9: 6 # C9: 2,7 => UNS * INC # D9: 6 # I9: 2,7 => UNS * INC # D9: 6 # E4: 2,7 => UNS * INC # D9: 6 # E4: 8,9 => UNS * INC # D9: 6 => UNS * INC # E9: 6 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for I2,I8: 3..:
* INC # I8: 3 # E1: 7,9 => UNS * INC # I8: 3 # F1: 7,9 => UNS * INC # I8: 3 # E2: 7,9 => UNS * INC # I8: 3 # F2: 7,9 => UNS * INC # I8: 3 # I3: 7,9 => UNS * INC # I8: 3 # I3: 5,8 => UNS * INC # I8: 3 # D5: 7,9 => UNS * DIS # I8: 3 # D7: 7,9 => CTR => D7: 2 * INC # I8: 3 + D7: 2 # E1: 7,9 => UNS * INC # I8: 3 + D7: 2 # F1: 7,9 => UNS * INC # I8: 3 + D7: 2 # E2: 7,9 => UNS * INC # I8: 3 + D7: 2 # F2: 7,9 => UNS * INC # I8: 3 + D7: 2 # I3: 7,9 => UNS * INC # I8: 3 + D7: 2 # I3: 5,8 => UNS * INC # I8: 3 + D7: 2 # F4: 1,4 => UNS * INC # I8: 3 + D7: 2 # F6: 1,4 => UNS * INC # I8: 3 + D7: 2 # E1: 7,9 => UNS * INC # I8: 3 + D7: 2 # F1: 7,9 => UNS * INC # I8: 3 + D7: 2 # E2: 7,9 => UNS * INC # I8: 3 + D7: 2 # F2: 7,9 => UNS * INC # I8: 3 + D7: 2 # I3: 7,9 => UNS * INC # I8: 3 + D7: 2 # I3: 5,8 => UNS * DIS # I8: 3 + D7: 2 # B4: 8,9 => CTR => B4: 1,2 * INC # I8: 3 + D7: 2 + B4: 1,2 # B5: 8,9 => UNS * DIS # I8: 3 + D7: 2 + B4: 1,2 # C6: 8,9 => CTR => C6: 5,6 * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # B5: 8,9 => UNS * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # B5: 2,5 => UNS * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # E4: 8,9 => UNS * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # F4: 8,9 => UNS * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # H4: 8,9 => UNS * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 # I4: 8,9 => CTR => I4: 2,4,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 # C1: 8,9 => CTR => C1: 5,6,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 # C2: 8,9 => CTR => C2: 5,6,7 * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 # G5: 7,9 => CTR => G5: 2,5,8 * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 # F4: 1,4 => UNS * INC # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 # F6: 1,4 => UNS * DIS # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 # F8: 7,9 => CTR => F8: 1 * PRF # I8: 3 + D7: 2 + B4: 1,2 + C6: 5,6 + I4: 2,4,7 + C1: 5,6,7 + C2: 5,6,7 + G5: 2,5,8 + F8: 1 => SOL * STA I8: 3 * CNT 38 HDP CHAINS / 38 HYP OPENED