Analysis of xx-ph-02320257-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7.6..4....5..8.6..6......3..9..5.2.....1.......9.2......86..9.........52 initial
Autosolve
position: 98.76.5..7.65.4....5..8.6..6......3..9..5.2.....1.......9.2......86..9...6.....52 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for A8,F8: 5..:
* DIS # A8: 5 # E2: 1,3 => CTR => E2: 9 * DIS # A8: 5 + E2: 9 # I2: 1,3 => CTR => I2: 8 * PRF # A8: 5 + E2: 9 + I2: 8 # H7: 1,4 => SOL * STA # A8: 5 + E2: 9 + I2: 8 + H7: 1,4 * CNT 3 HDP CHAINS / 18 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..7.6..4....5..8.6..6......3..9..5.2.....1.......9.2......86..9.........52 | initial |
| 98.76.5..7.65.4....5..8.6..6......3..9..5.2.....1.......9.2......86..9...6.....52 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A8,B8: 2.. / A8 = 2 => 0 pairs (_) / B8 = 2 => 2 pairs (_) B2,H2: 2.. / B2 = 2 => 2 pairs (_) / H2 = 2 => 2 pairs (_) D3,D4: 2.. / D3 = 2 => 1 pairs (_) / D4 = 2 => 1 pairs (_) C4,C6: 5.. / C4 = 5 => 0 pairs (_) / C6 = 5 => 0 pairs (_) I4,I6: 5.. / I4 = 5 => 0 pairs (_) / I6 = 5 => 0 pairs (_) A7,A8: 5.. / A7 = 5 => 0 pairs (_) / A8 = 5 => 2 pairs (_) F7,F8: 5.. / F7 = 5 => 2 pairs (_) / F8 = 5 => 0 pairs (_) C4,I4: 5.. / C4 = 5 => 0 pairs (_) / I4 = 5 => 0 pairs (_) C6,I6: 5.. / C6 = 5 => 0 pairs (_) / I6 = 5 => 0 pairs (_) A7,F7: 5.. / A7 = 5 => 0 pairs (_) / F7 = 5 => 2 pairs (_) A8,F8: 5.. / A8 = 5 => 2 pairs (_) / F8 = 5 => 0 pairs (_) F5,F6: 6.. / F5 = 6 => 2 pairs (_) / F6 = 6 => 0 pairs (_) H7,I7: 6.. / H7 = 6 => 0 pairs (_) / I7 = 6 => 0 pairs (_) H3,I3: 7.. / H3 = 7 => 1 pairs (_) / I3 = 7 => 0 pairs (_) A5,A6: 8.. / A5 = 8 => 1 pairs (_) / A6 = 8 => 1 pairs (_) * DURATION: 0:00:09.919919 START: 18:47:06.523190 END: 18:47:16.443109 2020-11-10 * CP COUNT: (15) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B2,H2: 2.. / B2 = 2 ==> 2 pairs (_) / H2 = 2 ==> 2 pairs (_) F5,F6: 6.. / F5 = 6 ==> 2 pairs (_) / F6 = 6 ==> 0 pairs (_) A8,F8: 5.. / A8 = 5 ==> 0 pairs (*) / F8 = 5 => 0 pairs (X) * DURATION: 0:00:31.654142 START: 18:47:16.443765 END: 18:47:48.097907 2020-11-10 * REASONING A8,F8: 5.. * DIS # A8: 5 # E2: 1,3 => CTR => E2: 9 * DIS # A8: 5 + E2: 9 # I2: 1,3 => CTR => I2: 8 * PRF # A8: 5 + E2: 9 + I2: 8 # H7: 1,4 => SOL * STA # A8: 5 + E2: 9 + I2: 8 + H7: 1,4 * CNT 3 HDP CHAINS / 18 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
2320257;2019_03_16;PAQ;24;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B2,H2: 2..:
* INC # B2: 2 => UNS * INC # H2: 2 # C1: 1,3 => UNS * INC # H2: 2 # A3: 1,3 => UNS * INC # H2: 2 # C3: 1,3 => UNS * INC # H2: 2 # E2: 1,3 => UNS * INC # H2: 2 # G2: 1,3 => UNS * INC # H2: 2 # I2: 1,3 => UNS * INC # H2: 2 # B7: 1,3 => UNS * INC # H2: 2 # B8: 1,3 => UNS * INC # H2: 2 # I1: 1,4 => UNS * INC # H2: 2 # H3: 1,4 => UNS * INC # H2: 2 # I3: 1,4 => UNS * INC # H2: 2 # C1: 1,4 => UNS * INC # H2: 2 # C1: 2,3 => UNS * INC # H2: 2 # H5: 1,4 => UNS * INC # H2: 2 # H7: 1,4 => UNS * INC # H2: 2 # H8: 1,4 => UNS * INC # H2: 2 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for F5,F6: 6..:
* INC # F5: 6 # I6: 5,9 => UNS * INC # F5: 6 # I6: 6 => UNS * INC # F5: 6 # I6: 6,9 => UNS * INC # F5: 6 # I6: 5 => UNS * INC # F5: 6 => UNS * INC # F6: 6 => UNS * CNT 6 HDP CHAINS / 6 HYP OPENED
Full list of HDP chains traversed for A8,F8: 5..:
* INC # A8: 5 # C1: 1,3 => UNS * INC # A8: 5 # A3: 1,3 => UNS * INC # A8: 5 # C3: 1,3 => UNS * DIS # A8: 5 # E2: 1,3 => CTR => E2: 9 * INC # A8: 5 + E2: 9 # G2: 1,3 => UNS * DIS # A8: 5 + E2: 9 # I2: 1,3 => CTR => I2: 8 * INC # A8: 5 + E2: 9 + I2: 8 # B7: 1,3 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # B7: 4,7 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # C1: 1,3 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # A3: 1,3 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # C3: 1,3 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # B7: 1,3 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # B7: 4,7 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # I1: 1,4 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # I1: 3 => UNS * INC # A8: 5 + E2: 9 + I2: 8 # H5: 1,4 => UNS * PRF # A8: 5 + E2: 9 + I2: 8 # H7: 1,4 => SOL * STA # A8: 5 + E2: 9 + I2: 8 + H7: 1,4 * CNT 17 HDP CHAINS / 18 HYP OPENED