Analysis of xx-ph-00000785-955-base.sdk
Contents
Original Sudoku
level: deep
position: .2......9..6.8.1..7.......5..46....8....4..1....3.84...9.....2.5....7..1..1.3.8.. initial
Autosolve
position: .2......9..6.8.1..7.......5..46....8....4..1....3.84...9.....2.5....7..1..1.3.8.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C8,A9: 2..:
* DIS # A9: 2 # C7: 3,8 => CTR => C7: 7 * DIS # A9: 2 + C7: 7 # C5: 3,8 => CTR => C5: 2,5,9 * CNT 2 HDP CHAINS / 34 HYP OPENED
List of important HDP chains detected for C7,B9: 7..:
* DIS # B9: 7 # C8: 3,8 => CTR => C8: 2 * DIS # B9: 7 + C8: 2 # C5: 3,8 => CTR => C5: 5,7,9 * CNT 2 HDP CHAINS / 36 HYP OPENED
List of important HDP chains detected for I2,G3: 2..:
* DIS # I2: 2 # G7: 3,6 => CTR => G7: 5,7 * PRF # I2: 2 + G7: 5,7 # G8: 3,6 => SOL * STA # I2: 2 + G7: 5,7 + G8: 3,6 * CNT 2 HDP CHAINS / 9 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
| .2......9..6.8.1..7.......5..46....8....4..1....3.84...9.....2.5....7..1..1.3.8.. | initial |
| .2......9..6.8.1..7.......5..46....8....4..1....3.84...9.....2.5....7..1..1.3.8.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A1,B3: 1.. / A1 = 1 => 0 pairs (_) / B3 = 1 => 0 pairs (_) I2,G3: 2.. / I2 = 2 => 2 pairs (_) / G3 = 2 => 0 pairs (_) C8,A9: 2.. / C8 = 2 => 3 pairs (_) / A9 = 2 => 1 pairs (_) C1,B2: 5.. / C1 = 5 => 1 pairs (_) / B2 = 5 => 1 pairs (_) G7,H9: 5.. / G7 = 5 => 1 pairs (_) / H9 = 5 => 1 pairs (_) C7,B9: 7.. / C7 = 7 => 1 pairs (_) / B9 = 7 => 2 pairs (_) H1,H3: 8.. / H1 = 8 => 1 pairs (_) / H3 = 8 => 1 pairs (_) D7,D8: 8.. / D7 = 8 => 1 pairs (_) / D8 = 8 => 1 pairs (_) A2,C3: 9.. / A2 = 9 => 1 pairs (_) / C3 = 9 => 1 pairs (_) * DURATION: 0:00:06.362933 START: 04:30:10.166659 END: 04:30:16.529592 2020-11-22 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C8,A9: 2.. / C8 = 2 ==> 3 pairs (_) / A9 = 2 ==> 2 pairs (_) C7,B9: 7.. / C7 = 7 ==> 1 pairs (_) / B9 = 7 ==> 5 pairs (_) I2,G3: 2.. / I2 = 2 ==> 0 pairs (*) / G3 = 2 => 0 pairs (X) * DURATION: 0:00:48.263627 START: 04:30:16.530434 END: 04:31:04.794061 2020-11-22 * REASONING C8,A9: 2.. * DIS # A9: 2 # C7: 3,8 => CTR => C7: 7 * DIS # A9: 2 + C7: 7 # C5: 3,8 => CTR => C5: 2,5,9 * CNT 2 HDP CHAINS / 34 HYP OPENED * REASONING C7,B9: 7.. * DIS # B9: 7 # C8: 3,8 => CTR => C8: 2 * DIS # B9: 7 + C8: 2 # C5: 3,8 => CTR => C5: 5,7,9 * CNT 2 HDP CHAINS / 36 HYP OPENED * REASONING I2,G3: 2.. * DIS # I2: 2 # G7: 3,6 => CTR => G7: 5,7 * PRF # I2: 2 + G7: 5,7 # G8: 3,6 => SOL * STA # I2: 2 + G7: 5,7 + G8: 3,6 * CNT 2 HDP CHAINS / 9 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
785;955;elev;23;11.30;11.30;10.00
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C8,A9: 2..:
* INC # C8: 2 # A7: 4,6 => UNS * INC # C8: 2 # B8: 4,6 => UNS * INC # C8: 2 # B9: 4,6 => UNS * INC # C8: 2 # I9: 4,6 => UNS * INC # C8: 2 # I9: 7 => UNS * INC # C8: 2 # G8: 6,9 => UNS * INC # C8: 2 # H8: 6,9 => UNS * INC # C8: 2 # E3: 6,9 => UNS * INC # C8: 2 # E3: 1,2 => UNS * INC # C8: 2 # D9: 5,9 => UNS * INC # C8: 2 # F9: 5,9 => UNS * INC # C8: 2 # H4: 5,9 => UNS * INC # C8: 2 # H6: 5,9 => UNS * INC # C8: 2 => UNS * INC # A9: 2 # A7: 3,8 => UNS * DIS # A9: 2 # C7: 3,8 => CTR => C7: 7 * INC # A9: 2 + C7: 7 # B8: 3,8 => UNS * INC # A9: 2 + C7: 7 # C1: 3,8 => UNS * INC # A9: 2 + C7: 7 # C3: 3,8 => UNS * DIS # A9: 2 + C7: 7 # C5: 3,8 => CTR => C5: 2,5,9 * INC # A9: 2 + C7: 7 + C5: 2,5,9 # A7: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # B8: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # C1: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # C3: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # A7: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # B8: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # C1: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # C3: 3,8 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # A7: 4,6 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # B8: 4,6 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # F9: 4,6 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # H9: 4,6 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 # I9: 4,6 => UNS * INC # A9: 2 + C7: 7 + C5: 2,5,9 => UNS * CNT 34 HDP CHAINS / 34 HYP OPENED
Full list of HDP chains traversed for C7,B9: 7..:
* INC # B9: 7 # A7: 3,8 => UNS * INC # B9: 7 # B8: 3,8 => UNS * DIS # B9: 7 # C8: 3,8 => CTR => C8: 2 * INC # B9: 7 + C8: 2 # C1: 3,8 => UNS * INC # B9: 7 + C8: 2 # C3: 3,8 => UNS * DIS # B9: 7 + C8: 2 # C5: 3,8 => CTR => C5: 5,7,9 * INC # B9: 7 + C8: 2 + C5: 5,7,9 # A7: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # B8: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # C1: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # C3: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # I7: 4,6 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # H8: 4,6 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # A7: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # B8: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # C1: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # C3: 3,8 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # A7: 4,6 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # B8: 4,6 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # G8: 6,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # H8: 6,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # E3: 6,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # E3: 1,2 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # D9: 5,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # F9: 5,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # H4: 5,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # H6: 5,9 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # I7: 4,6 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 # H8: 4,6 => UNS * INC # B9: 7 + C8: 2 + C5: 5,7,9 => UNS * INC # C7: 7 # A7: 4,6 => UNS * INC # C7: 7 # B8: 4,6 => UNS * INC # C7: 7 # A9: 4,6 => UNS * INC # C7: 7 # F9: 4,6 => UNS * INC # C7: 7 # H9: 4,6 => UNS * INC # C7: 7 # I9: 4,6 => UNS * INC # C7: 7 => UNS * CNT 36 HDP CHAINS / 36 HYP OPENED
Full list of HDP chains traversed for I2,G3: 2..:
* INC # I2: 2 # G1: 3,6 => UNS * INC # I2: 2 # H1: 3,6 => UNS * INC # I2: 2 # H3: 3,6 => UNS * INC # I2: 2 # F3: 3,6 => UNS * INC # I2: 2 # F3: 1,2,4,9 => UNS * INC # I2: 2 # G5: 3,6 => UNS * DIS # I2: 2 # G7: 3,6 => CTR => G7: 5,7 * PRF # I2: 2 + G7: 5,7 # G8: 3,6 => SOL * STA # I2: 2 + G7: 5,7 + G8: 3,6 * CNT 8 HDP CHAINS / 9 HYP OPENED