Analysis of xx-ph-00000440-158-base.sdk
Contents
Original Sudoku
level: deep
position: ..3..6.8....1..2......7...4..9..8.6.....4.1...7.26......5.....38....5...96.....5. initial
Autosolve
position: ..3..6.8....1..2......7...4..9..8.6.....4.1...7.26......5.....383...5...96.....5. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for E4,F6: 1..:
* DIS # E4: 1 # F5: 3,9 => CTR => F5: 7 * DIS # E4: 1 + F5: 7 # F3: 3,9 => CTR => F3: 2 * DIS # E4: 1 + F5: 7 + F3: 2 # F2: 4 => CTR => F2: 3,9 * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # B1: 5,9 => CTR => B1: 1,2 * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # E2: 3,9 => CTR => E2: 5,8 * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # H2: 7 => CTR => H2: 3,9 * PRF # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 # D5: 9 => SOL * STA # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 + D5: 9 * CNT 7 HDP CHAINS / 42 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
| ..3..6.8....1..2......7...4..9..8.6.....4.1...7.26......5.....38....5...96.....5. | initial |
| ..3..6.8....1..2......7...4..9..8.6.....4.1...7.26......5.....383...5...96.....5. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I1,H3: 1.. / I1 = 1 => 1 pairs (_) / H3 = 1 => 0 pairs (_) E4,F6: 1.. / E4 = 1 => 3 pairs (_) / F6 = 1 => 2 pairs (_) E1,F3: 2.. / E1 = 2 => 2 pairs (_) / F3 = 2 => 1 pairs (_) D1,F2: 4.. / D1 = 4 => 1 pairs (_) / F2 = 4 => 1 pairs (_) I2,G3: 6.. / I2 = 6 => 0 pairs (_) / G3 = 6 => 1 pairs (_) A5,C5: 6.. / A5 = 6 => 1 pairs (_) / C5 = 6 => 0 pairs (_) D7,D8: 6.. / D7 = 6 => 0 pairs (_) / D8 = 6 => 0 pairs (_) D7,G7: 6.. / D7 = 6 => 0 pairs (_) / G7 = 6 => 0 pairs (_) I2,I8: 6.. / I2 = 6 => 0 pairs (_) / I8 = 6 => 1 pairs (_) E2,D3: 8.. / E2 = 8 => 2 pairs (_) / D3 = 8 => 0 pairs (_) * DURATION: 0:00:05.889448 START: 17:47:19.679754 END: 17:47:25.569202 2020-10-25 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E4,F6: 1.. / E4 = 1 ==> 0 pairs (*) / F6 = 1 => 0 pairs (X) * DURATION: 0:00:26.843492 START: 17:47:25.569800 END: 17:47:52.413292 2020-10-25 * REASONING E4,F6: 1.. * DIS # E4: 1 # F5: 3,9 => CTR => F5: 7 * DIS # E4: 1 + F5: 7 # F3: 3,9 => CTR => F3: 2 * DIS # E4: 1 + F5: 7 + F3: 2 # F2: 4 => CTR => F2: 3,9 * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # B1: 5,9 => CTR => B1: 1,2 * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # E2: 3,9 => CTR => E2: 5,8 * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # H2: 7 => CTR => H2: 3,9 * PRF # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 # D5: 9 => SOL * STA # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 + D5: 9 * CNT 7 HDP CHAINS / 42 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
440;158;elev;22;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E4,F6: 1..:
* INC # E4: 1 # F2: 4,9 => UNS * INC # E4: 1 # F2: 3 => UNS * INC # E4: 1 # B1: 4,9 => UNS * INC # E4: 1 # B1: 1,2,5 => UNS * INC # E4: 1 # D7: 4,9 => UNS * INC # E4: 1 # D8: 4,9 => UNS * INC # E4: 1 # D5: 3,9 => UNS * DIS # E4: 1 # F5: 3,9 => CTR => F5: 7 * INC # E4: 1 + F5: 7 # D5: 3,9 => UNS * INC # E4: 1 + F5: 7 # D5: 5 => UNS * INC # E4: 1 + F5: 7 # G6: 3,9 => UNS * INC # E4: 1 + F5: 7 # H6: 3,9 => UNS * INC # E4: 1 + F5: 7 # F2: 3,9 => UNS * DIS # E4: 1 + F5: 7 # F3: 3,9 => CTR => F3: 2 * INC # E4: 1 + F5: 7 + F3: 2 # F2: 3,9 => UNS * DIS # E4: 1 + F5: 7 + F3: 2 # F2: 4 => CTR => F2: 3,9 * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # D5: 3,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # D5: 5 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # G6: 3,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # H6: 3,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # E7: 2,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # E7: 8 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # H8: 2,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # I8: 2,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # E2: 5,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # E2: 3,8 => UNS * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 # B1: 5,9 => CTR => B1: 1,2 * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # G1: 5,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # I1: 5,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # E2: 5,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # E2: 3,8 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # G1: 5,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # I1: 5,9 => UNS * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 # E2: 3,9 => CTR => E2: 5,8 * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # D3: 3,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # D3: 3,9 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # D3: 8 => UNS * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # H2: 3,9 => UNS * DIS # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 # H2: 7 => CTR => H2: 3,9 * INC # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 # D5: 3,5 => UNS * PRF # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 # D5: 9 => SOL * STA # E4: 1 + F5: 7 + F3: 2 + F2: 3,9 + B1: 1,2 + E2: 5,8 + H2: 3,9 + D5: 9 * CNT 41 HDP CHAINS / 42 HYP OPENED