Analysis of xx-top500-425-base.sdk

Contents

Original Sudoku

level: medium

Original Sudoku

position: .....7.93.1......6.......4.3.94...........1..2...........32....5..9......7....8.. initial

Autosolve

position: .....7.93.1.....86.......413.94..6........1..2.17........32....5..97.....7....8.. autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

The following important HDP chains were detected:

* DIS # D1: 2,5 => CTR => D1: 1,6,8
* DIS # C1: 2,5 => CTR => C1: 4,6,8
* DIS # D1: 2,5 => CTR => D1: 1,6,8
* DIS # E4: 5,8 => CTR => E4: 1
* DIS # B1: 5,8 => CTR => B1: 2,4,6
* DIS # B3: 5,8 => CTR => B3: 2,3,6,9
* DIS # H5: 3,5 => CTR => H5: 2
* DIS # E6: 3,5 => CTR => E6: 6,8,9
* DIS # F6: 3,5 => CTR => F6: 6,9
* PRF # H9: 3,5 => SOL
* DIS # H9: 1,2,6 => CTR => H9: 3,5
* DIS # I7: 4,9 => CTR => I7: 5,7
* DIS # I9: 4,9 => CTR => I9: 2,5
* PRF # I9: 2,5 => SOL
* DIS # A7: 4,9 => CTR => A7: 1,6,8
* DIS # G6: 4,9 => CTR => G6: 3
* PRF # G6: 3 => SOL
* PRF # B8: 3,4 => SOL
* DIS # B8: 2,6,8 => CTR => B8: 3,4
* DIS # C8: 3,4 => CTR => C8: 2,6,8
* PRF # G6: 3,4 => SOL
* DIS # G6: 9 => CTR => G6: 3,4
* DIS # I9: 2,4 => CTR => I9: 5,9
* PRF # I9: 5,9 => SOL
* DIS # B8: 2,4 => CTR => B8: 3,6,8
* DIS # C8: 2,4 => CTR => C8: 3,6,8
* DIS # I5: 2,4 => CTR => I5: 5,8,9
* CNT  27 HDP CHAINS /  57 HYP OPENED

See Appendix: Full HDP Chains for full list of HDP chains.

Pair Reduction

Pair Reduction

The following important HDP chains were detected:

* DIS # D1: 2,5 => CTR => D1: 1,6,8
* DIS D1: 1,6,8 # C1: 2,5 => CTR => C1: 4,6,8
* DIS D1: 1,6,8 + C1: 4,6,8 # B1: 4,6,8 => CTR => B1: 2,5
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 # C5: 5,8 => CTR => C5: 4,6,7
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 # E4: 5,8 => CTR => E4: 1
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 # I4: 2,7 => CTR => I4: 5,8
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 # H5: 3,5 => CTR => H5: 2
* PRF D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 + H5: 2 # H9: 3,5 => SOL
* STA D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 + H5: 2 + H9: 3,5
* CNT   8 HDP CHAINS /  27 HYP OPENED

See Appendix: Full HDP Chains for full list of HDP chains.

Details

Positions

.....7.93.1......6.......4.3.94...........1..2...........32....5..9......7....8.. initial
.....7.93.1.....86.......413.94..6........1..2.17........32....5..97.....7....8.. autosolve
624187593713594286895236741359412678467853129281769354148325967536978412972641835 solved

Classification

level: medium

Pairing Analysis

--------------------------------------------------
* PAIRS (7)
D2: 2,5
G1: 2,5
B4: 5,8
H6: 3,5
G7: 4,9
G8: 3,4
I8: 2,4

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
D1,E1: 1.. / D1 = 1  =>  8 pairs (_) / E1 = 1  =>  0 pairs (X)
E4,F4: 1.. / E4 = 1  =>  9 pairs (_) / F4 = 1  =>  0 pairs (X)
A7,A9: 1.. / A7 = 1  =>  7 pairs (_) / A9 = 1  =>  0 pairs (X)
F8,H8: 1.. / F8 = 1  =>  0 pairs (X) / H8 = 1  =>  7 pairs (_)
D1,D9: 1.. / D1 = 1  =>  8 pairs (_) / D9 = 1  =>  0 pairs (X)
C9,H9: 3.. / C9 = 3  =>  0 pairs (X) / H9 = 3  =>  0 pairs (_)
B3,B8: 3.. / B3 = 3  =>  0 pairs (X) / B8 = 3  =>  0 pairs (_)
G6,G8: 3.. / G6 = 3  =>  0 pairs (*) / G8 = 3  =>  0 pairs (X)
G2,G3: 7.. / G2 = 7  =>  9 pairs (_) / G3 = 7  =>  8 pairs (_)
A5,C5: 7.. / A5 = 7  =>  8 pairs (_) / C5 = 7  =>  7 pairs (_)
H4,I4: 7.. / H4 = 7  =>  7 pairs (_) / I4 = 7  =>  0 pairs (X)
H7,I7: 7.. / H7 = 7  =>  0 pairs (X) / I7 = 7  =>  7 pairs (_)
H4,H7: 7.. / H4 = 7  =>  7 pairs (_) / H7 = 7  =>  0 pairs (X)
I4,I7: 7.. / I4 = 7  =>  0 pairs (X) / I7 = 7  =>  7 pairs (_)
F7,F8: 8.. / F7 = 8  =>  0 pairs (X) / F8 = 8  =>  0 pairs (_)
A9,I9: 9.. / A9 = 9  =>  0 pairs (*) / I9 = 9  =>  0 pairs (X)
B3,B7: 9.. / B3 = 9  =>  0 pairs (*) / B7 = 9  =>  0 pairs (X)
G6,G7: 9.. / G6 = 9  =>  0 pairs (X) / G7 = 9  =>  0 pairs (_)
* DURATION: 0:00:25.857178  START: 17:19:05.249666  END: 17:19:31.106844 2017-05-04
* CP COUNT: (18)
* SOLUTION FOUND

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (B4,D2,G1,G7,G8,H6,I8)
* .....7.93.1.....86.......413.94..6........1..2.17........32....5..97.....7....8..
* PAIR D2: 2,5 BLK 2
D1: 2,5,1,6,8                            # reduction candidate for 2,5
D1: 2,5 => CTR
* ....17.93.1.....86.......413.94.16....7..21..2.17.....19.32.4..5..97.312.7.1..8..
D1: 1,6,8                                #  7 pairs
F2: 2,5,3,4,9                            # reduction candidate for 2,5
F2: 2,5                                  # 12 pairs
D3: 2,5,6,8                              # reduction candidate for 2,5
D3: 2,5                                  # 10 pairs
F3: 2,5,3,6,9                            # reduction candidate for 2,5
F3: 2,5                                  #  9 pairs
* PAIR D2: 2,5 ROW 2
C2: 2,5,3,4,7                            # reduction candidate for 2,5
C2: 2,5                                  # 10 pairs
G2: 2,5,7                                # reduction candidate for 2,5
G2: 2,5                                  #  8 pairs
* PAIR D2: 2,5 COL D
D5: 2,5,6,8                              # reduction candidate for 2,5
D5: 2,5                                  # 10 pairs
D5: 6,8                                  #  8 pairs
* PAIR G1: 2,5 BLK 3
G2: 2,5,7                                # reduction candidate for 2,5
G2: 2,5                                  #  8 pairs
G3: 2,5,7                                # reduction candidate for 2,5
G3: 2,5                                  #  9 pairs
* PAIR G1: 2,5 ROW 1
B1: 2,5,4,6,8                            # reduction candidate for 2,5
B1: 2,5                                  #  8 pairs
C1: 2,5,4,6,8                            # reduction candidate for 2,5
C1: 2,5 => CTR
* .....7.93.1.....86.......413.94..6........1..2.17......9.32.4..5..97.3.2.7....8..
C1: 4,6,8                                #  7 pairs
D1: 2,5,1,6,8                            # reduction candidate for 2,5
D1: 2,5 => CTR
* ....17.93.1.....86.......413.94.16....7..21..2.17.....19.32.4..5..97.312.7.1..8..
D1: 1,6,8                                #  7 pairs
* PAIR B4: 5,8 BLK 4
B5: 5,8,4,6                              # reduction candidate for 5,8
B5: 5,8                                  #  9 pairs
C5: 5,8,4,6,7                            # reduction candidate for 5,8
C5: 5,8                                  # 12 pairs
B6: 5,8,4,6                              # reduction candidate for 5,8
B6: 5,8                                  #  9 pairs
* PAIR B4: 5,8 ROW 4
E4: 5,8,1                                # reduction candidate for 5,8
E4: 5,8 => CTR
* .....7.93.1.....86.3.....413.94.16........1..2.17.....19.32.4..5..97.312.73...869
E4: 1                                    #  9 pairs
I4: 5,8,2,7                              # reduction candidate for 5,8
I4: 5,8                                  #  9 pairs
* PAIR B4: 5,8 COL B
B1: 5,8,2,4,6                            # reduction candidate for 5,8
B1: 5,8 => CTR
* .....7.93.1.....86.......413.94..6........1..2.17......9.32.4..5..97.3.2.7....8..
B1: 2,4,6                                #  7 pairs
B3: 5,8,2,3,6,9                          # reduction candidate for 5,8
B3: 5,8 => CTR
* .....7.93.1.....86.......413.94..6........1..2.17......9.32.4..53.97.....7....8..
B3: 2,3,6,9                              #  7 pairs
* PAIR H6: 3,5 BLK 6
H5: 3,5,2                                # reduction candidate for 3,5
H5: 3,5 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.73...8.9
H5: 2                                    #  9 pairs
* PAIR H6: 3,5 ROW 6
E6: 3,5,6,8,9                            # reduction candidate for 3,5
E6: 3,5 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.73...8.9
E6: 6,8,9                                #  7 pairs
F6: 3,5,6,9                              # reduction candidate for 3,5
F6: 3,5 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.73...8.9
F6: 6,9                                  #  8 pairs
* PAIR H6: 3,5 COL H
H9: 3,5,1,2,6                            # reduction candidate for 3,5
H9: 3,5 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
H9: 1,2,6 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.73...8.9
* PAIR G7: 4,9 BLK 9
I7: 4,9,5,7                              # reduction candidate for 4,9
I7: 4,9 => CTR
* .....7.93.1.....86.......413.94..6.7......1..2.17........325.7.5..978.1..7....865
I7: 5,7                                  #  8 pairs
I9: 4,9,2,5                              # reduction candidate for 4,9
I9: 4,9 => CTR
* .....7.93.1.....86.......413.94..6........1..2.17........32....5..97.....7....8..
I9: 2,5 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
* PAIR G7: 4,9 ROW 7
A7: 4,9,1,6,8                            # reduction candidate for 4,9
A7: 4,9 => CTR
* ...1.7.93.1.....86.......413.941.6........1..2.17..9.....32.4..5..97.3.217....8.9
A7: 1,6,8                                #  7 pairs
B7: 4,9,6,8                              # reduction candidate for 4,9
B7: 4,9                                  # 10 pairs
* PAIR G7: 4,9 COL G
G6: 4,9,3                                # reduction candidate for 4,9
G6: 4,9 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.73...8.9
G6: 3 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
* PAIR G8: 3,4 ROW 8
B8: 3,4,2,6,8                            # reduction candidate for 3,4
B8: 3,4 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
B8: 2,6,8 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.7....8..
C8: 3,4,2,6,8                            # reduction candidate for 3,4
C8: 3,4 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5.497.3.2.7....8..
C8: 2,6,8                                #  7 pairs
* PAIR G8: 3,4 COL G
G6: 3,4,9                                # reduction candidate for 3,4
G6: 3,4 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
G6: 9 => CTR
* .....7.93.1.....86.......413.94..6........1..2.17..9.....32.4..5..97.3.2.7....8..
* PAIR I8: 2,4 BLK 9
I9: 2,4,5,9                              # reduction candidate for 2,4
I9: 2,4 => CTR
* .....7.93.1.....86.9.....413.94..6........1..2.17.....1..32....53.97.4.297....8..
I9: 5,9 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
* PAIR I8: 2,4 ROW 8
B8: 2,4,3,6,8                            # reduction candidate for 2,4
B8: 2,4 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5..97.3.2.7....8..
B8: 3,6,8                                #  7 pairs
C8: 2,4,3,6,8                            # reduction candidate for 2,4
C8: 2,4 => CTR
* .....7.93.1.....86.3.....413.94..6........1..2.17......9.32.4..5.497.3.2.7....8..
C8: 3,6,8                                #  7 pairs
* PAIR I8: 2,4 COL I
I5: 2,4,5,8,9                            # reduction candidate for 2,4
I5: 2,4 => CTR
* .2.1.759371..94286.9.2..741359412678..78391..2.17....91..325967536978412972641835
I5: 5,8,9                                #  7 pairs
* INCONCLUSIVE
* SAVE PR GRAPH xx-top500-425-base-pr-000.dot
* REASONING
* DIS # D1: 2,5 => CTR => D1: 1,6,8
* DIS # C1: 2,5 => CTR => C1: 4,6,8
* DIS # D1: 2,5 => CTR => D1: 1,6,8
* DIS # E4: 5,8 => CTR => E4: 1
* DIS # B1: 5,8 => CTR => B1: 2,4,6
* DIS # B3: 5,8 => CTR => B3: 2,3,6,9
* DIS # H5: 3,5 => CTR => H5: 2
* DIS # E6: 3,5 => CTR => E6: 6,8,9
* DIS # F6: 3,5 => CTR => F6: 6,9
* PRF # H9: 3,5 => SOL
* DIS # H9: 1,2,6 => CTR => H9: 3,5
* DIS # I7: 4,9 => CTR => I7: 5,7
* DIS # I9: 4,9 => CTR => I9: 2,5
* PRF # I9: 2,5 => SOL
* DIS # A7: 4,9 => CTR => A7: 1,6,8
* DIS # G6: 4,9 => CTR => G6: 3
* PRF # G6: 3 => SOL
* PRF # B8: 3,4 => SOL
* DIS # B8: 2,6,8 => CTR => B8: 3,4
* DIS # C8: 3,4 => CTR => C8: 2,6,8
* PRF # G6: 3,4 => SOL
* DIS # G6: 9 => CTR => G6: 3,4
* DIS # I9: 2,4 => CTR => I9: 5,9
* PRF # I9: 5,9 => SOL
* DIS # B8: 2,4 => CTR => B8: 3,6,8
* DIS # C8: 2,4 => CTR => C8: 3,6,8
* DIS # I5: 2,4 => CTR => I5: 5,8,9
* CNT  27 HDP CHAINS /  57 HYP OPENED

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (B4,D2,G1,G7,G8,H6,I8)
* .....7.93.1.....86.......413.94..6........1..2.17........32....5..97.....7....8..
* PAIR D2: 2,5 BLK 2
D1: 2,5,1,6,8                            # reduction candidate for 2,5
D1: 2,5 => CTR
* ....17.93.1.....86.......413.94.16....7..21..2.17.....19.32.4..5..97.312.7.1..8..
F2: 2,5,3,4,9                            # reduction candidate for 2,5
F2: 2,5                                  # 12 pairs
D3: 2,5,6,8                              # reduction candidate for 2,5
D3: 2,5                                  # 10 pairs
F3: 2,5,3,6,9                            # reduction candidate for 2,5
F3: 2,5                                  #  9 pairs
* PAIR D2: 2,5 ROW 2
C2: 2,5,3,4,7                            # reduction candidate for 2,5
C2: 2,5                                  # 10 pairs
G2: 2,5,7                                # reduction candidate for 2,5
G2: 2,5                                  #  8 pairs
* PAIR D2: 2,5 COL D
D5: 2,5,6,8                              # reduction candidate for 2,5
D5: 2,5                                  # 10 pairs
D5: 6,8                                  #  8 pairs
* PAIR G1: 2,5 BLK 3
G2: 2,5,7                                # reduction candidate for 2,5
G2: 2,5                                  #  8 pairs
G3: 2,5,7                                # reduction candidate for 2,5
G3: 2,5                                  #  9 pairs
* PAIR G1: 2,5 ROW 1
B1: 2,5,4,6,8                            # reduction candidate for 2,5
B1: 2,5                                  #  8 pairs
C1: 2,5,4,6,8                            # reduction candidate for 2,5
C1: 2,5 => CTR
* .....7.93.1.....86.......413.94..6........1..2.17......9.32.4..5..97.3.2.7....8..
* RESTART
* PAIR G1: 2,5 ROW 1
B1: 2,5,4,6,8                            # reduction candidate for 2,5
B1: 4,6,8 => CTR
* ...157293.1.2...86.......413.94..6....7...1..2.17......9.32.4..5..97.3.2.7....8..
* PAIR RESTART
* PAIR G1: 2,5 BLK 3
G2: 2,5,7                                # reduction candidate for 2,5
G2: 2,5                                  #  9 pairs
G3: 2,5,7                                # reduction candidate for 2,5
G3: 2,5                                  # 10 pairs
* PAIR B4: 5,8 BLK 4
B5: 5,8,4,6                              # reduction candidate for 5,8
B5: 5,8                                  # 10 pairs
C5: 5,8,4,6,7                            # reduction candidate for 5,8
C5: 5,8 => CTR
* .....7.93.1.....86.......413.94..6..7.....1..2.17......9.32.4..5..97.3.2.7....8..
B6: 5,8,4,6                              # reduction candidate for 5,8
B6: 5,8                                  # 10 pairs
* PAIR B4: 5,8 ROW 4
E4: 5,8,1                                # reduction candidate for 5,8
E4: 5,8 => CTR
* .2...7593.1.....86.3.....413.94.16........1..2.17.....19.32.4..5.297.31..73...8..
I4: 5,8,2,7                              # reduction candidate for 5,8
I4: 5,8                                  # 10 pairs
* RESTART
* PAIR B4: 5,8 ROW 4
I4: 5,8,2,7                              # reduction candidate for 5,8
I4: 2,7 => CTR
* .2.1.7593.1.....86.3.....4138941.6........1..2.17......9.32.4..5.297.3...73...8..
* PAIR RESTART
* PAIR B4: 5,8 BLK 4
B5: 5,8,4,6                              # reduction candidate for 5,8
B5: 5,8                                  # 12 pairs
B6: 5,8,4,6                              # reduction candidate for 5,8
B6: 5,8                                  # 13 pairs
* PAIR H6: 3,5 BLK 6
H5: 3,5,2                                # reduction candidate for 3,5
H5: 3,5 => CTR
* .2.1.7593.1.....86.......413.941267.......1.22.17..4.9...32.9.75..97.3.4973...825
* PAIR H6: 3,5 COL H
H9: 3,5,1,6                              # reduction candidate for 3,5
H9: 3,5 => SOLVED
* 624187593713594286895236741359412678467853129281769354148325967536978412972641835
* DURATION: 0:00:23.705752  START: 17:20:13.005171  END: 17:20:36.710923 2017-05-04
* SOLUTION FOUND
* SAVE PR GRAPH xx-top500-425-base-pr-001.dot
* REASONING
* DIS # D1: 2,5 => CTR => D1: 1,6,8
* DIS D1: 1,6,8 # C1: 2,5 => CTR => C1: 4,6,8
* DIS D1: 1,6,8 + C1: 4,6,8 # B1: 4,6,8 => CTR => B1: 2,5
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 # C5: 5,8 => CTR => C5: 4,6,7
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 # E4: 5,8 => CTR => E4: 1
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 # I4: 2,7 => CTR => I4: 5,8
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 # H5: 3,5 => CTR => H5: 2
* PRF D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 + H5: 2 # H9: 3,5 => SOL
* STA D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 + H5: 2 + H9: 3,5
* CNT   8 HDP CHAINS /  27 HYP OPENED

Header Info

Top 500 Minimum 17 425

solution: 624187593713594286895236741359412678467853129281769354148325967536978412972641835
info: 95158    FNBYK    S8.f     46665

http://www.sfsudoku.com/su17ExtremeDiff500.txt from http://www.minimumsudoku.com/

Solution

position: 624187593713594286895236741359412678467853129281769354148325967536978412972641835 solved
Solution

See section Pair Reduction for the HDP chains leading to this result.

Appendix: Full HDP Chains

A1. Pair Reduction Analysis

Full list of HDP chains traversed:

* DIS # D1: 2,5 => CTR => D1: 1,6,8
* INC # D1: 1,6,8 => UNS
* INC # F2: 2,5 => UNS
* INC # D3: 2,5 => UNS
* INC # F3: 2,5 => UNS
* INC # C2: 2,5 => UNS
* INC # G2: 2,5 => UNS
* INC # D5: 2,5 => UNS
* INC # D5: 6,8 => UNS
* INC # G2: 2,5 => UNS
* INC # G3: 2,5 => UNS
* INC # B1: 2,5 => UNS
* DIS # C1: 2,5 => CTR => C1: 4,6,8
* INC # C1: 4,6,8 => UNS
* DIS # D1: 2,5 => CTR => D1: 1,6,8
* INC # D1: 1,6,8 => UNS
* INC # B5: 5,8 => UNS
* INC # C5: 5,8 => UNS
* INC # B6: 5,8 => UNS
* DIS # E4: 5,8 => CTR => E4: 1
* INC # E4: 1 => UNS
* INC # I4: 5,8 => UNS
* DIS # B1: 5,8 => CTR => B1: 2,4,6
* INC # B1: 2,4,6 => UNS
* DIS # B3: 5,8 => CTR => B3: 2,3,6,9
* INC # B3: 2,3,6,9 => UNS
* DIS # H5: 3,5 => CTR => H5: 2
* INC # H5: 2 => UNS
* DIS # E6: 3,5 => CTR => E6: 6,8,9
* INC # E6: 6,8,9 => UNS
* DIS # F6: 3,5 => CTR => F6: 6,9
* INC # F6: 6,9 => UNS
* PRF # H9: 3,5 => SOL
* DIS # H9: 1,2,6 => CTR => H9: 3,5
* DIS # I7: 4,9 => CTR => I7: 5,7
* INC # I7: 5,7 => UNS
* DIS # I9: 4,9 => CTR => I9: 2,5
* PRF # I9: 2,5 => SOL
* DIS # A7: 4,9 => CTR => A7: 1,6,8
* INC # A7: 1,6,8 => UNS
* INC # B7: 4,9 => UNS
* DIS # G6: 4,9 => CTR => G6: 3
* PRF # G6: 3 => SOL
* PRF # B8: 3,4 => SOL
* DIS # B8: 2,6,8 => CTR => B8: 3,4
* DIS # C8: 3,4 => CTR => C8: 2,6,8
* INC # C8: 2,6,8 => UNS
* PRF # G6: 3,4 => SOL
* DIS # G6: 9 => CTR => G6: 3,4
* DIS # I9: 2,4 => CTR => I9: 5,9
* PRF # I9: 5,9 => SOL
* DIS # B8: 2,4 => CTR => B8: 3,6,8
* INC # B8: 3,6,8 => UNS
* DIS # C8: 2,4 => CTR => C8: 3,6,8
* INC # C8: 3,6,8 => UNS
* DIS # I5: 2,4 => CTR => I5: 5,8,9
* INC # I5: 5,8,9 => UNS
* CNT  57 HDP CHAINS /  57 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* DIS # D1: 2,5 => CTR => D1: 1,6,8
* INC D1: 1,6,8 # F2: 2,5 => UNS
* INC D1: 1,6,8 # D3: 2,5 => UNS
* INC D1: 1,6,8 # F3: 2,5 => UNS
* INC D1: 1,6,8 # C2: 2,5 => UNS
* INC D1: 1,6,8 # G2: 2,5 => UNS
* INC D1: 1,6,8 # D5: 2,5 => UNS
* INC D1: 1,6,8 # D5: 6,8 => UNS
* INC D1: 1,6,8 # G2: 2,5 => UNS
* INC D1: 1,6,8 # G3: 2,5 => UNS
* INC D1: 1,6,8 # B1: 2,5 => UNS
* DIS D1: 1,6,8 # C1: 2,5 => CTR => C1: 4,6,8
* INC D1: 1,6,8 + C1: 4,6,8 # B1: 2,5 => UNS
* DIS D1: 1,6,8 + C1: 4,6,8 # B1: 4,6,8 => CTR => B1: 2,5
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 # G2: 2,5 => UNS
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 # G3: 2,5 => UNS
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 # B5: 5,8 => UNS
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 # C5: 5,8 => CTR => C5: 4,6,7
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 # B6: 5,8 => UNS
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 # E4: 5,8 => CTR => E4: 1
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 # I4: 5,8 => UNS
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 # I4: 5,8 => UNS
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 # I4: 2,7 => CTR => I4: 5,8
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 # B5: 5,8 => UNS
* INC D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 # B6: 5,8 => UNS
* DIS D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 # H5: 3,5 => CTR => H5: 2
* PRF D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 + H5: 2 # H9: 3,5 => SOL
* STA D1: 1,6,8 + C1: 4,6,8 + B1: 2,5 + C5: 4,6,7 + E4: 1 + I4: 5,8 + H5: 2 + H9: 3,5
* CNT  27 HDP CHAINS /  27 HYP OPENED