Analysis of xx-ph-00009307-cy4-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....7....7.5..9.4....3.....58..9......2...1..69..5......4...3.....1.2. initial
Autosolve
position: 98.7.....65....7....7.5..9.4....3.....58..9......2...1..69..5......4...3.....1.29 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for F2,F6: 9..:
* DIS # F6: 9 # H6: 3,8 => CTR => H6: 4,5,6,7 * DIS # F6: 9 + H6: 4,5,6,7 # E9: 3,6 => CTR => E9: 7,8 * DIS # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # H6: 6,7 => CTR => H6: 4,5 * PRF # F6: 9 + H6: 4,5,6,7 + E9: 7,8 + H6: 4,5 # A7: 2,7 => SOL * STA # F6: 9 + H6: 4,5,6,7 + E9: 7,8 + H6: 4,5 + A7: 2,7 * CNT 4 HDP CHAINS / 29 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
| 98.7.....6.....7....7.5..9.4....3.....58..9......2...1..69..5......4...3.....1.2. | initial |
| 98.7.....65....7....7.5..9.4....3.....58..9......2...1..69..5......4...3.....1.29 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H1,I1: 5.. / H1 = 5 => 1 pairs (_) / I1 = 5 => 0 pairs (_) A8,A9: 5.. / A8 = 5 => 5 pairs (_) / A9 = 5 => 1 pairs (_) A9,D9: 5.. / A9 = 5 => 1 pairs (_) / D9 = 5 => 5 pairs (_) F6,F8: 5.. / F6 = 5 => 2 pairs (_) / F8 = 5 => 2 pairs (_) I1,I4: 5.. / I1 = 5 => 0 pairs (_) / I4 = 5 => 1 pairs (_) E2,F2: 9.. / E2 = 9 => 4 pairs (_) / F2 = 9 => 0 pairs (_) E4,F6: 9.. / E4 = 9 => 0 pairs (_) / F6 = 9 => 4 pairs (_) B8,C8: 9.. / B8 = 9 => 0 pairs (_) / C8 = 9 => 1 pairs (_) E2,E4: 9.. / E2 = 9 => 4 pairs (_) / E4 = 9 => 0 pairs (_) F2,F6: 9.. / F2 = 9 => 0 pairs (_) / F6 = 9 => 4 pairs (_) * DURATION: 0:00:06.376302 START: 04:06:47.646406 END: 04:06:54.022708 2020-12-01 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A9,D9: 5.. / A9 = 5 ==> 1 pairs (_) / D9 = 5 ==> 5 pairs (_) A8,A9: 5.. / A8 = 5 ==> 5 pairs (_) / A9 = 5 ==> 1 pairs (_) F2,F6: 9.. / F2 = 9 => 0 pairs (X) / F6 = 9 ==> 0 pairs (*) * DURATION: 0:00:46.666567 START: 04:06:54.023432 END: 04:07:40.689999 2020-12-01 * REASONING F2,F6: 9.. * DIS # F6: 9 # H6: 3,8 => CTR => H6: 4,5,6,7 * DIS # F6: 9 + H6: 4,5,6,7 # E9: 3,6 => CTR => E9: 7,8 * DIS # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # H6: 6,7 => CTR => H6: 4,5 * PRF # F6: 9 + H6: 4,5,6,7 + E9: 7,8 + H6: 4,5 # A7: 2,7 => SOL * STA # F6: 9 + H6: 4,5,6,7 + E9: 7,8 + H6: 4,5 + A7: 2,7 * CNT 4 HDP CHAINS / 29 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
9307;cy4;GP;22;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A9,D9: 5..:
* INC # D9: 5 # D3: 1,6 => UNS * INC # D9: 5 # D3: 2,3,4 => UNS * INC # D9: 5 # G1: 1,6 => UNS * INC # D9: 5 # H1: 1,6 => UNS * INC # D9: 5 # E5: 1,6 => UNS * INC # D9: 5 # E5: 7 => UNS * INC # D9: 5 # H2: 1,8 => UNS * INC # D9: 5 # H2: 3,4 => UNS * INC # D9: 5 # E5: 1,6 => UNS * INC # D9: 5 # E5: 7 => UNS * INC # D9: 5 # B4: 1,6 => UNS * INC # D9: 5 # B4: 2,7 => UNS * INC # D9: 5 # D3: 1,6 => UNS * INC # D9: 5 # D3: 2,3,4 => UNS * INC # D9: 5 # F5: 4,6 => UNS * INC # D9: 5 # F5: 7 => UNS * INC # D9: 5 # G6: 4,6 => UNS * INC # D9: 5 # H6: 4,6 => UNS * INC # D9: 5 # D3: 4,6 => UNS * INC # D9: 5 # D3: 1,2,3 => UNS * INC # D9: 5 # F8: 2,6 => UNS * INC # D9: 5 # F8: 7,8 => UNS * INC # D9: 5 # D3: 2,6 => UNS * INC # D9: 5 # D3: 1,3,4 => UNS * INC # D9: 5 => UNS * INC # A9: 5 # E9: 3,6 => UNS * INC # A9: 5 # E9: 7,8 => UNS * INC # A9: 5 # D3: 3,6 => UNS * INC # A9: 5 # D3: 1,2,4 => UNS * INC # A9: 5 => UNS * CNT 30 HDP CHAINS / 30 HYP OPENED
Full list of HDP chains traversed for A8,A9: 5..:
* INC # A8: 5 # D3: 1,6 => UNS * INC # A8: 5 # D3: 2,3,4 => UNS * INC # A8: 5 # G1: 1,6 => UNS * INC # A8: 5 # H1: 1,6 => UNS * INC # A8: 5 # E5: 1,6 => UNS * INC # A8: 5 # E5: 7 => UNS * INC # A8: 5 # H2: 1,8 => UNS * INC # A8: 5 # H2: 3,4 => UNS * INC # A8: 5 # E5: 1,6 => UNS * INC # A8: 5 # E5: 7 => UNS * INC # A8: 5 # B4: 1,6 => UNS * INC # A8: 5 # B4: 2,7 => UNS * INC # A8: 5 # D3: 1,6 => UNS * INC # A8: 5 # D3: 2,3,4 => UNS * INC # A8: 5 # F5: 4,6 => UNS * INC # A8: 5 # F5: 7 => UNS * INC # A8: 5 # G6: 4,6 => UNS * INC # A8: 5 # H6: 4,6 => UNS * INC # A8: 5 # D3: 4,6 => UNS * INC # A8: 5 # D3: 1,2,3 => UNS * INC # A8: 5 # F8: 2,6 => UNS * INC # A8: 5 # F8: 7,8 => UNS * INC # A8: 5 # D3: 2,6 => UNS * INC # A8: 5 # D3: 1,3,4 => UNS * INC # A8: 5 => UNS * INC # A9: 5 # E9: 3,6 => UNS * INC # A9: 5 # E9: 7,8 => UNS * INC # A9: 5 # D3: 3,6 => UNS * INC # A9: 5 # D3: 1,2,4 => UNS * INC # A9: 5 => UNS * CNT 30 HDP CHAINS / 30 HYP OPENED
Full list of HDP chains traversed for F2,F6: 9..:
* INC # F6: 9 # A6: 3,8 => UNS * INC # F6: 9 # A6: 7 => UNS * INC # F6: 9 # G6: 3,8 => UNS * DIS # F6: 9 # H6: 3,8 => CTR => H6: 4,5,6,7 * INC # F6: 9 + H6: 4,5,6,7 # G6: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 # G6: 4,6 => UNS * INC # F6: 9 + H6: 4,5,6,7 # C9: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 # C9: 4 => UNS * INC # F6: 9 + H6: 4,5,6,7 # A6: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 # A6: 7 => UNS * INC # F6: 9 + H6: 4,5,6,7 # G6: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 # G6: 4,6 => UNS * INC # F6: 9 + H6: 4,5,6,7 # C9: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 # C9: 4 => UNS * INC # F6: 9 + H6: 4,5,6,7 # A7: 2,7 => UNS * INC # F6: 9 + H6: 4,5,6,7 # B7: 2,7 => UNS * INC # F6: 9 + H6: 4,5,6,7 # D3: 2,6 => UNS * INC # F6: 9 + H6: 4,5,6,7 # D3: 1,3,4 => UNS * DIS # F6: 9 + H6: 4,5,6,7 # E9: 3,6 => CTR => E9: 7,8 * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # A6: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # A6: 7 => UNS * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # G6: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # G6: 4,6 => UNS * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # C9: 3,8 => UNS * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # C9: 4 => UNS * INC # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # H6: 4,5 => UNS * DIS # F6: 9 + H6: 4,5,6,7 + E9: 7,8 # H6: 6,7 => CTR => H6: 4,5 * PRF # F6: 9 + H6: 4,5,6,7 + E9: 7,8 + H6: 4,5 # A7: 2,7 => SOL * STA # F6: 9 + H6: 4,5,6,7 + E9: 7,8 + H6: 4,5 + A7: 2,7 * CNT 28 HDP CHAINS / 29 HYP OPENED