Analysis of xx-ph-00015674-Kz1_b-base.sdk
Contents
Original Sudoku
level: deep
position: 9..8..7...8..7..6...7..5..48..3..2......6..7......4..51....2.3..9.1.......8...1.. initial
Autosolve
position: 9..8..7...8..7..6...7..5..48..3..2......6..7......4..51....2.3..9.1.......8...1.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000016
List of important HDP chains detected for F5,F8: 8..:
* DIS # F8: 8 # I2: 3,9 => CTR => I2: 1,2 * DIS # F8: 8 + I2: 1,2 # G2: 5 => CTR => G2: 3,9 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 # E3: 3,9 => CTR => E3: 1,2 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 # F2: 3 => CTR => F2: 1,9 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 # E1: 1,2 => CTR => E1: 3,4 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 # A9: 3,6 => CTR => A9: 2,4,5,7 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 + A9: 2,4,5,7 # B9: 3,6 => CTR => B9: 2,4,5,7 * PRF # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 + A9: 2,4,5,7 + B9: 2,4,5,7 => SOL * STA F8: 8 * CNT 8 HDP CHAINS / 19 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
| 9..8..7...8..7..6...7..5..48..3..2......6..7......4..51....2.3..9.1.......8...1.. | initial |
| 9..8..7...8..7..6...7..5..48..3..2......6..7......4..51....2.3..9.1.......8...1.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E1,D2: 4.. / E1 = 4 => 1 pairs (_) / D2 = 4 => 0 pairs (_) H4,G5: 4.. / H4 = 4 => 0 pairs (_) / G5 = 4 => 1 pairs (_) H1,G2: 5.. / H1 = 5 => 1 pairs (_) / G2 = 5 => 1 pairs (_) E4,D5: 5.. / E4 = 5 => 1 pairs (_) / D5 = 5 => 1 pairs (_) F1,D3: 6.. / F1 = 6 => 1 pairs (_) / D3 = 6 => 2 pairs (_) I4,G6: 6.. / I4 = 6 => 0 pairs (_) / G6 = 6 => 1 pairs (_) F4,D6: 7.. / F4 = 7 => 1 pairs (_) / D6 = 7 => 1 pairs (_) B4,F4: 7.. / B4 = 7 => 1 pairs (_) / F4 = 7 => 1 pairs (_) G3,H3: 8.. / G3 = 8 => 0 pairs (_) / H3 = 8 => 2 pairs (_) F5,E6: 8.. / F5 = 8 => 0 pairs (_) / E6 = 8 => 5 pairs (_) F5,F8: 8.. / F5 = 8 => 0 pairs (_) / F8 = 8 => 5 pairs (_) * DURATION: 0:00:07.183307 START: 00:42:53.547011 END: 00:43:00.730318 2020-12-04 * CP COUNT: (11) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F5,F8: 8.. / F5 = 8 => 0 pairs (X) / F8 = 8 ==> 0 pairs (*) * DURATION: 0:00:23.338759 START: 00:43:00.731503 END: 00:43:24.070262 2020-12-04 * REASONING F5,F8: 8.. * DIS # F8: 8 # I2: 3,9 => CTR => I2: 1,2 * DIS # F8: 8 + I2: 1,2 # G2: 5 => CTR => G2: 3,9 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 # E3: 3,9 => CTR => E3: 1,2 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 # F2: 3 => CTR => F2: 1,9 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 # E1: 1,2 => CTR => E1: 3,4 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 # A9: 3,6 => CTR => A9: 2,4,5,7 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 + A9: 2,4,5,7 # B9: 3,6 => CTR => B9: 2,4,5,7 * PRF # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 + A9: 2,4,5,7 + B9: 2,4,5,7 => SOL * STA F8: 8 * CNT 8 HDP CHAINS / 19 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
15674;Kz1 b;GP;23;11.30;11.30;7.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F5,F8: 8..:
* INC # F8: 8 # D7: 4,9 => UNS * INC # F8: 8 # D9: 4,9 => UNS * INC # F8: 8 # D7: 6,9 => UNS * INC # F8: 8 # D9: 6,9 => UNS * INC # F8: 8 # G2: 3,9 => UNS * DIS # F8: 8 # I2: 3,9 => CTR => I2: 1,2 * INC # F8: 8 + I2: 1,2 # G2: 3,9 => UNS * DIS # F8: 8 + I2: 1,2 # G2: 5 => CTR => G2: 3,9 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 # E3: 3,9 => CTR => E3: 1,2 * INC # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 # C5: 1,9 => UNS * INC # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 # C5: 2,4,5 => UNS * INC # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 # F2: 1,9 => UNS * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 # F2: 3 => CTR => F2: 1,9 * INC # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 # C5: 1,9 => UNS * INC # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 # C5: 2,4,5 => UNS * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 # E1: 1,2 => CTR => E1: 3,4 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 # A9: 3,6 => CTR => A9: 2,4,5,7 * DIS # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 + A9: 2,4,5,7 # B9: 3,6 => CTR => B9: 2,4,5,7 * PRF # F8: 8 + I2: 1,2 + G2: 3,9 + E3: 1,2 + F2: 1,9 + E1: 3,4 + A9: 2,4,5,7 + B9: 2,4,5,7 => SOL * STA F8: 8 * CNT 19 HDP CHAINS / 19 HYP OPENED