Analysis of xx-ph-00042241-12_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7....5.....5....6.64.8.......9..7......63....2..1....6..8...9......287.. initial
Autosolve
position: 98.76.5..7....5.....5....6764.8.......9..76.....63....2..1....6..8..69......287.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for D3,D9: 9..:
* PRF # D9: 9 # F3: 3,4 => SOL * STA # D9: 9 + F3: 3,4 * CNT 1 HDP CHAINS / 8 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
| 98.76.5..7....5.....5....6.64.8.......9..7......63....2..1....6..8...9......287.. | initial |
| 98.76.5..7....5.....5....6764.8.......9..76.....63....2..1....6..8..69......287.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H8,I8: 2.. / H8 = 2 => 0 pairs (_) / I8 = 2 => 0 pairs (_) B2,C2: 6.. / B2 = 6 => 0 pairs (_) / C2 = 6 => 1 pairs (_) B9,C9: 6.. / B9 = 6 => 1 pairs (_) / C9 = 6 => 0 pairs (_) B2,B9: 6.. / B2 = 6 => 0 pairs (_) / B9 = 6 => 1 pairs (_) C2,C9: 6.. / C2 = 6 => 1 pairs (_) / C9 = 6 => 0 pairs (_) H4,H6: 7.. / H4 = 7 => 0 pairs (_) / H6 = 7 => 2 pairs (_) E7,E8: 7.. / E7 = 7 => 2 pairs (_) / E8 = 7 => 0 pairs (_) C4,H4: 7.. / C4 = 7 => 2 pairs (_) / H4 = 7 => 0 pairs (_) B8,E8: 7.. / B8 = 7 => 2 pairs (_) / E8 = 7 => 0 pairs (_) E2,E3: 8.. / E2 = 8 => 1 pairs (_) / E3 = 8 => 1 pairs (_) A5,A6: 8.. / A5 = 8 => 1 pairs (_) / A6 = 8 => 0 pairs (_) G7,H7: 8.. / G7 = 8 => 3 pairs (_) / H7 = 8 => 1 pairs (_) E3,G3: 8.. / E3 = 8 => 1 pairs (_) / G3 = 8 => 1 pairs (_) H2,I2: 9.. / H2 = 9 => 0 pairs (_) / I2 = 9 => 2 pairs (_) B7,B9: 9.. / B7 = 9 => 1 pairs (_) / B9 = 9 => 0 pairs (_) B9,D9: 9.. / B9 = 9 => 0 pairs (_) / D9 = 9 => 1 pairs (_) D3,D9: 9.. / D3 = 9 => 0 pairs (_) / D9 = 9 => 1 pairs (_) * DURATION: 0:00:12.109450 START: 10:06:39.855612 END: 10:06:51.965062 2020-12-19 * CP COUNT: (17) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G7,H7: 8.. / G7 = 8 ==> 3 pairs (_) / H7 = 8 ==> 1 pairs (_) H2,I2: 9.. / H2 = 9 ==> 0 pairs (_) / I2 = 9 ==> 2 pairs (_) B8,E8: 7.. / B8 = 7 ==> 2 pairs (_) / E8 = 7 ==> 0 pairs (_) C4,H4: 7.. / C4 = 7 ==> 2 pairs (_) / H4 = 7 ==> 0 pairs (_) E7,E8: 7.. / E7 = 7 ==> 2 pairs (_) / E8 = 7 ==> 0 pairs (_) H4,H6: 7.. / H4 = 7 ==> 0 pairs (_) / H6 = 7 ==> 2 pairs (_) E3,G3: 8.. / E3 = 8 ==> 1 pairs (_) / G3 = 8 ==> 1 pairs (_) E2,E3: 8.. / E2 = 8 ==> 1 pairs (_) / E3 = 8 ==> 1 pairs (_) D3,D9: 9.. / D3 = 9 => 0 pairs (X) / D9 = 9 ==> 0 pairs (*) * DURATION: 0:01:19.838382 START: 10:06:51.965612 END: 10:08:11.803994 2020-12-19 * REASONING D3,D9: 9.. * PRF # D9: 9 # F3: 3,4 => SOL * STA # D9: 9 + F3: 3,4 * CNT 1 HDP CHAINS / 8 HYP OPENED * DCP COUNT: (9) * SOLUTION FOUND
Header Info
42241;12_07;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G7,H7: 8..:
* INC # G7: 8 # F1: 1,4 => UNS * INC # G7: 8 # F3: 1,4 => UNS * INC # G7: 8 # C2: 1,4 => UNS * INC # G7: 8 # G2: 1,4 => UNS * INC # G7: 8 # E5: 1,4 => UNS * INC # G7: 8 # E5: 5 => UNS * INC # G7: 8 # H6: 8,9 => UNS * INC # G7: 8 # H6: 1,2,4,5,7 => UNS * INC # G7: 8 # I6: 8,9 => UNS * INC # G7: 8 # I6: 1,2,4,5 => UNS * INC # G7: 8 => UNS * INC # H7: 8 # H8: 3,4 => UNS * INC # H7: 8 # I8: 3,4 => UNS * INC # H7: 8 # H9: 3,4 => UNS * INC # H7: 8 # I9: 3,4 => UNS * INC # H7: 8 # C7: 3,4 => UNS * INC # H7: 8 # F7: 3,4 => UNS * INC # H7: 8 # G2: 3,4 => UNS * INC # H7: 8 # G3: 3,4 => UNS * INC # H7: 8 => UNS * CNT 20 HDP CHAINS / 20 HYP OPENED
Full list of HDP chains traversed for H2,I2: 9..:
* INC # I2: 9 => UNS * INC # H2: 9 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
Full list of HDP chains traversed for B8,E8: 7..:
* INC # B8: 7 # A8: 3,4 => UNS * INC # B8: 7 # A9: 3,4 => UNS * INC # B8: 7 # C9: 3,4 => UNS * INC # B8: 7 # F7: 3,4 => UNS * INC # B8: 7 # G7: 3,4 => UNS * INC # B8: 7 # H7: 3,4 => UNS * INC # B8: 7 # C1: 3,4 => UNS * INC # B8: 7 # C2: 3,4 => UNS * INC # B8: 7 # D8: 4,5 => UNS * INC # B8: 7 # D9: 4,5 => UNS * INC # B8: 7 # A8: 4,5 => UNS * INC # B8: 7 # H8: 4,5 => UNS * INC # B8: 7 # I8: 4,5 => UNS * INC # B8: 7 # E5: 4,5 => UNS * INC # B8: 7 # E5: 1 => UNS * INC # B8: 7 => UNS * INC # E8: 7 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for C4,H4: 7..:
* INC # C4: 7 # B5: 1,2 => UNS * INC # C4: 7 # B6: 1,2 => UNS * INC # C4: 7 # F6: 1,2 => UNS * INC # C4: 7 # G6: 1,2 => UNS * INC # C4: 7 # I6: 1,2 => UNS * INC # C4: 7 # C1: 1,2 => UNS * INC # C4: 7 # C2: 1,2 => UNS * INC # C4: 7 # A8: 3,4 => UNS * INC # C4: 7 # A9: 3,4 => UNS * INC # C4: 7 # C9: 3,4 => UNS * INC # C4: 7 # F7: 3,4 => UNS * INC # C4: 7 # G7: 3,4 => UNS * INC # C4: 7 # H7: 3,4 => UNS * INC # C4: 7 # C1: 3,4 => UNS * INC # C4: 7 # C2: 3,4 => UNS * INC # C4: 7 => UNS * INC # H4: 7 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for E7,E8: 7..:
* INC # E7: 7 # A8: 3,4 => UNS * INC # E7: 7 # A9: 3,4 => UNS * INC # E7: 7 # C9: 3,4 => UNS * INC # E7: 7 # F7: 3,4 => UNS * INC # E7: 7 # G7: 3,4 => UNS * INC # E7: 7 # H7: 3,4 => UNS * INC # E7: 7 # C1: 3,4 => UNS * INC # E7: 7 # C2: 3,4 => UNS * INC # E7: 7 # D8: 4,5 => UNS * INC # E7: 7 # D9: 4,5 => UNS * INC # E7: 7 # A8: 4,5 => UNS * INC # E7: 7 # H8: 4,5 => UNS * INC # E7: 7 # I8: 4,5 => UNS * INC # E7: 7 # E5: 4,5 => UNS * INC # E7: 7 # E5: 1 => UNS * INC # E7: 7 => UNS * INC # E8: 7 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for H4,H6: 7..:
* INC # H6: 7 # B5: 1,2 => UNS * INC # H6: 7 # B6: 1,2 => UNS * INC # H6: 7 # F6: 1,2 => UNS * INC # H6: 7 # G6: 1,2 => UNS * INC # H6: 7 # I6: 1,2 => UNS * INC # H6: 7 # C1: 1,2 => UNS * INC # H6: 7 # C2: 1,2 => UNS * INC # H6: 7 # A8: 3,4 => UNS * INC # H6: 7 # A9: 3,4 => UNS * INC # H6: 7 # C9: 3,4 => UNS * INC # H6: 7 # F7: 3,4 => UNS * INC # H6: 7 # G7: 3,4 => UNS * INC # H6: 7 # H7: 3,4 => UNS * INC # H6: 7 # C1: 3,4 => UNS * INC # H6: 7 # C2: 3,4 => UNS * INC # H6: 7 => UNS * INC # H4: 7 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for E3,G3: 8..:
* INC # E3: 8 # F1: 1,4 => UNS * INC # E3: 8 # F3: 1,4 => UNS * INC # E3: 8 # C2: 1,4 => UNS * INC # E3: 8 # G2: 1,4 => UNS * INC # E3: 8 # H2: 1,4 => UNS * INC # E3: 8 # I2: 1,4 => UNS * INC # E3: 8 # E5: 1,4 => UNS * INC # E3: 8 # E5: 5 => UNS * INC # E3: 8 => UNS * INC # G3: 8 # H8: 3,4 => UNS * INC # G3: 8 # I8: 3,4 => UNS * INC # G3: 8 # H9: 3,4 => UNS * INC # G3: 8 # I9: 3,4 => UNS * INC # G3: 8 # C7: 3,4 => UNS * INC # G3: 8 # F7: 3,4 => UNS * INC # G3: 8 # G2: 3,4 => UNS * INC # G3: 8 # G2: 1,2 => UNS * INC # G3: 8 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for E2,E3: 8..:
* INC # E2: 8 # H8: 3,4 => UNS * INC # E2: 8 # I8: 3,4 => UNS * INC # E2: 8 # H9: 3,4 => UNS * INC # E2: 8 # I9: 3,4 => UNS * INC # E2: 8 # C7: 3,4 => UNS * INC # E2: 8 # F7: 3,4 => UNS * INC # E2: 8 # G2: 3,4 => UNS * INC # E2: 8 # G2: 1,2 => UNS * INC # E2: 8 => UNS * INC # E3: 8 # F1: 1,4 => UNS * INC # E3: 8 # F3: 1,4 => UNS * INC # E3: 8 # C2: 1,4 => UNS * INC # E3: 8 # G2: 1,4 => UNS * INC # E3: 8 # H2: 1,4 => UNS * INC # E3: 8 # I2: 1,4 => UNS * INC # E3: 8 # E5: 1,4 => UNS * INC # E3: 8 # E5: 5 => UNS * INC # E3: 8 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for D3,D9: 9..:
* INC # D9: 9 # D8: 3,4 => UNS * INC # D9: 9 # D8: 5 => UNS * INC # D9: 9 # C7: 3,4 => UNS * INC # D9: 9 # G7: 3,4 => UNS * INC # D9: 9 # H7: 3,4 => UNS * INC # D9: 9 # F1: 3,4 => UNS * PRF # D9: 9 # F3: 3,4 => SOL * STA # D9: 9 + F3: 3,4 * CNT 7 HDP CHAINS / 8 HYP OPENED