Analysis of xx-top500-060-base.sdk

Contents

Original Sudoku

level: medium

Original Sudoku

position: ...8....16.....5...........4.1.5.....3.....8.......7.....1.8.4..2.3.....5.....6.. initial

Autosolve

position: .5.8....16.....5.....5.....481753...7356..184...481753...1.8.45.2.3.5...5.....6.. autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

The following important HDP chains were detected:

* DIS # E1: 2,9 => CTR => E1: 3,4,7
* DIS # E2: 2,9 => CTR => E2: 1,3,4,7
* DIS # E3: 2,9 => CTR => E3: 1,3,4,7
* DIS # C2: 2,9 => CTR => C2: 3,4,7,8
* PRF # I2: 2,9 => SOL
* DIS # A1: 2,9 => CTR => A1: 3
* DIS # C6: 2 => CTR => C6: 6,9
* DIS # E1: 2,9 => CTR => E1: 3,4,7
* DIS # E2: 2,9 => CTR => E2: 1,3,4,7
* DIS # E3: 2,9 => CTR => E3: 1,3,4,7
* DIS # E9: 2,9 => CTR => E9: 4,7
* DIS # F9: 2,9 => CTR => F9: 4,7
* DIS # G1: 2,9 => CTR => G1: 3,4
* DIS # G3: 2,9 => CTR => G3: 3,4,8
* DIS # C7: 3,9 => CTR => C7: 6,7
* PRF # C9: 3,9 => SOL
* DIS # C9: 4,7,8 => CTR => C9: 3,9
* DIS # A1: 2 => CTR => A1: 3,9
* DIS # E9: 2,9 => CTR => E9: 4,7
* DIS # F9: 2,9 => CTR => F9: 4,7
* PRF # H9: 2,3 => SOL
* DIS # H9: 1 => CTR => H9: 2,3
* DIS # G1: 2,3 => CTR => G1: 4,9
* DIS # G3: 2,3 => CTR => G3: 4,8,9
* DIS # I8: 8,9 => CTR => I8: 7
* PRF # G3: 8,9 => SOL
* DIS # G3: 2,3,4 => CTR => G3: 8,9
* PRF # I3: 2,8 => SOL
* CNT  28 HDP CHAINS /  66 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 # E1: 2,9 => CTR => E1: 3,4,7
* DIS E1: 3,4,7 # E2: 2,9 => CTR => E2: 1,3,4,7
* DIS E1: 3,4,7 + E2: 1,3,4,7 # E3: 2,9 => CTR => E3: 1,3,4,7
* DIS E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 # C2: 2,9 => CTR => C2: 3,4,7,8
* PRF E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 # I2: 2,9 => SOL
* STA E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 + I2: 2,9
* CNT   5 HDP CHAINS /   9 HYP OPENED

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

Details

Positions

...8....16.....5...........4.1.5.....3.....8.......7.....1.8.4..2.3.....5.....6.. initial
.5.8....16.....5.....5.....481753...7356..184...481753...1.8.45.2.3.5...5.....6.. autosolve
352879461678214539149536872481753296735692184296481753967128345824365917513947628 solved

Classification

level: medium

Pairing Analysis

--------------------------------------------------
* PAIRS (15)
A3: 1,8
D2: 2,9
A6: 2,9
B6: 6,9
E5: 2,9
F5: 2,9
G4: 2,9
A7: 3,9
A8: 1,8
C8: 4,6
E8: 4,6
D9: 2,9
G7: 2,3
G8: 8,9
I9: 2,8

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
E2,E3: 1.. / E2 = 1  => 15 pairs (_) / E3 = 1  =>  0 pairs (X)
A8,B9: 1.. / A8 = 1  =>  0 pairs (X) / B9 = 1  =>  0 pairs (_)
H8,H9: 1.. / H8 = 1  =>  0 pairs (*) / H9 = 1  =>  0 pairs (X)
B2,E2: 1.. / B2 = 1  =>  0 pairs (X) / E2 = 1  => 15 pairs (_)
A8,H8: 1.. / A8 = 1  =>  0 pairs (X) / H8 = 1  =>  0 pairs (_)
B9,H9: 1.. / B9 = 1  =>  0 pairs (*) / H9 = 1  =>  0 pairs (X)
A3,A8: 1.. / A3 = 1  =>  0 pairs (*) / A8 = 1  =>  0 pairs (X)
A6,C6: 2.. / A6 = 2  => 16 pairs (_) / C6 = 2  =>  0 pairs (X)
E5,F5: 2.. / E5 = 2  =>  0 pairs (X) / F5 = 2  => 13 pairs (_)
E7,G7: 2.. / E7 = 2  =>  0 pairs (*) / G7 = 2  =>  0 pairs (X)
A1,A6: 2.. / A1 = 2  =>  0 pairs (X) / A6 = 2  => 16 pairs (_)
D2,D9: 2.. / D2 = 2  => 13 pairs (_) / D9 = 2  =>  0 pairs (X)
G7,H9: 3.. / G7 = 3  =>  0 pairs (*) / H9 = 3  =>  0 pairs (X)
C9,H9: 3.. / C9 = 3  =>  0 pairs (*) / H9 = 3  =>  0 pairs (X)
A1,A7: 3.. / A1 = 3  => 17 pairs (_) / A7 = 3  =>  0 pairs (X)
G1,G3: 4.. / G1 = 4  => 15 pairs (_) / G3 = 4  =>  0 pairs (X)
C8,E8: 4.. / C8 = 4  => 13 pairs (_) / E8 = 4  =>  0 pairs (X)
F1,F3: 6.. / F1 = 6  => 15 pairs (_) / F3 = 6  => 16 pairs (_)
B6,C6: 6.. / B6 = 6  => 16 pairs (_) / C6 = 6  => 13 pairs (_)
H4,I4: 6.. / H4 = 6  => 16 pairs (_) / I4 = 6  => 16 pairs (_)
E7,E8: 6.. / E7 = 6  =>  0 pairs (X) / E8 = 6  => 13 pairs (_)
F1,H1: 6.. / F1 = 6  => 15 pairs (_) / H1 = 6  => 16 pairs (_)
C8,E8: 6.. / C8 = 6  =>  0 pairs (X) / E8 = 6  => 13 pairs (_)
B6,B7: 6.. / B6 = 6  => 16 pairs (_) / B7 = 6  => 13 pairs (_)
I3,I4: 6.. / I3 = 6  => 16 pairs (_) / I4 = 6  => 16 pairs (_)
H8,I8: 7.. / H8 = 7  =>  0 pairs (X) / I8 = 7  => 16 pairs (_)
A8,C9: 8.. / A8 = 8  =>  0 pairs (*) / C9 = 8  =>  0 pairs (X)
C2,I2: 8.. / C2 = 8  =>  0 pairs (*) / I2 = 8  =>  0 pairs (X)
C9,I9: 8.. / C9 = 8  =>  0 pairs (X) / I9 = 8  =>  0 pairs (_)
A3,A8: 8.. / A3 = 8  =>  0 pairs (X) / A8 = 8  =>  0 pairs (_)
G3,G8: 8.. / G3 = 8  =>  0 pairs (*) / G8 = 8  =>  0 pairs (X)
E5,F5: 9.. / E5 = 9  => 13 pairs (_) / F5 = 9  =>  0 pairs (X)
D2,D9: 9.. / D2 = 9  =>  0 pairs (X) / D9 = 9  => 13 pairs (_)
* DURATION: 0:00:47.558486  START: 04:43:00.826313  END: 04:43:48.384799 2017-05-04
* CP COUNT: (33)
* SOLUTION FOUND

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A3,A6,A7,A8,B6,C8,D2,D9,E5,E8,F5,G4,G7,G8,I9)
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8.45.2.3.5...5.....6..
* PAIR D2: 2,9 BLK 2
E1: 2,9,3,4,7                            # reduction candidate for 2,9
E1: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
E1: 3,4,7                                # 15 pairs
F1: 2,9,4,6,7                            # reduction candidate for 2,9
F1: 2,9                                  # 19 pairs
E2: 2,9,1,3,4,7                          # reduction candidate for 2,9
E2: 2,9 => CTR
* .5.8....161....5..8..51....481753...7356..184...481753...1.8.4512.3.58..5.8...6..
E2: 1,3,4,7                              # 15 pairs
F2: 2,9,4,7                              # reduction candidate for 2,9
F2: 2,9                                  # 19 pairs
E3: 2,9,1,3,4,7                          # reduction candidate for 2,9
E3: 2,9 => CTR
* .5.83...16...1.5.....5.....481753...7356..184...4817533..1.8245.2.3.5...5.....638
E3: 1,3,4,7                              # 15 pairs
F3: 2,9,4,6,7                            # reduction candidate for 2,9
F3: 2,9                                  # 18 pairs
* PAIR D2: 2,9 ROW 2
C2: 2,9,3,4,7,8                          # reduction candidate for 2,9
C2: 2,9 => CTR
* .5.8....16.....5.8...5.....481753...7356..184...481753...1.8.45.2.3.58..5.8...632
C2: 3,4,7,8                              # 15 pairs
H2: 2,9,3,7                              # reduction candidate for 2,9
H2: 2,9                                  # 18 pairs
I2: 2,9,7,8                              # reduction candidate for 2,9
I2: 2,9 => SOLVED
* 352879461678214539149536872481753296735692184296481753967128345824365917513947628
I2: 7,8                                  # 16 pairs
* PAIR A6: 2,9 BLK 4
C6: 2,9,6                                # reduction candidate for 2,9
C6: 2,9                                  # 16 pairs
C6: 6                                    # 13 pairs
* PAIR A6: 2,9 COL A
A1: 2,9,3                                # reduction candidate for 2,9
A1: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...4817533..1.8245.2.3.5...5.....638
A1: 3                                    # 17 pairs
* PAIR B6: 6,9 BLK 4
C6: 6,9,2                                # reduction candidate for 6,9
C6: 2 => CTR
* 25.8....16.....5.....5.....481753...7356..1849624817533..1.8245.2.3.5...5.....638
C6: 6,9                                  # 16 pairs
* PAIR B6: 6,9 COL B
B7: 6,9,7                                # reduction candidate for 6,9
B7: 6,9                                  # 16 pairs
B7: 7                                    # 15 pairs
* PAIR E5: 2,9 COL E
E1: 2,9,3,4,7                            # reduction candidate for 2,9
E1: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
E1: 3,4,7                                # 15 pairs
E2: 2,9,1,3,4,7                          # reduction candidate for 2,9
E2: 2,9 => CTR
* .5.8....161....5..8..51....481753...7356..184...481753...1.8.4512.3.58..5.8...6..
E2: 1,3,4,7                              # 15 pairs
E3: 2,9,1,3,4,7                          # reduction candidate for 2,9
E3: 2,9 => CTR
* .5.83...16...1.5.....5.....481753...7356..184...4817533..1.8245.2.3.5...5.....638
E3: 1,3,4,7                              # 15 pairs
E7: 2,9,6,7                              # reduction candidate for 2,9
E7: 2,9                                  # 19 pairs
E9: 2,9,4,7                              # reduction candidate for 2,9
E9: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
E9: 4,7                                  # 16 pairs
* PAIR F5: 2,9 COL F
F1: 2,9,4,6,7                            # reduction candidate for 2,9
F1: 2,9                                  # 19 pairs
F2: 2,9,4,7                              # reduction candidate for 2,9
F2: 2,9                                  # 19 pairs
F3: 2,9,4,6,7                            # reduction candidate for 2,9
F3: 2,9                                  # 18 pairs
F9: 2,9,4,7                              # reduction candidate for 2,9
F9: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
F9: 4,7                                  # 16 pairs
* PAIR G4: 2,9 BLK 6
H4: 2,9,6                                # reduction candidate for 2,9
H4: 2,9                                  # 16 pairs
I4: 2,9,6                                # reduction candidate for 2,9
I4: 2,9                                  # 16 pairs
* PAIR G4: 2,9 COL G
G1: 2,9,3,4                              # reduction candidate for 2,9
G1: 2,9 => CTR
* .5.8....16.....5.....5..4..481753...7356..184...481753...1.8345.2.3.58..5.....6..
G1: 3,4                                  # 16 pairs
G3: 2,9,3,4,8                            # reduction candidate for 2,9
G3: 2,9 => CTR
* .5.8..4.16.....5.....5.....481753...7356..184...481753...1.8345.2.3.58..5.....6..
G3: 3,4,8                                # 15 pairs
* PAIR A7: 3,9 BLK 7
C7: 3,9,6,7                              # reduction candidate for 3,9
C7: 3,9 => CTR
* .5.8....16.....5.....5.....4817539..7356..184...481753...1.8245.2.3.58..5.....6..
C7: 6,7                                  # 16 pairs
C9: 3,9,4,7,8                            # reduction candidate for 3,9
C9: 3,9 => SOLVED
* 352879461678214539149536872481753296735692184296481753967128345824365917513947628
C9: 4,7,8 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5.1751....638
* PAIR A7: 3,9 COL A
A1: 3,9,2                                # reduction candidate for 3,9
A1: 2 => CTR
* 25.8....16.....5.....5.....481753...7356..1849624817533..1.8245.2.3.5...5.....638
A1: 3,9                                  # 16 pairs
* PAIR D9: 2,9 BLK 8
E7: 2,9,6,7                              # reduction candidate for 2,9
E7: 2,9                                  # 19 pairs
E9: 2,9,4,7                              # reduction candidate for 2,9
E9: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
E9: 4,7                                  # 16 pairs
F9: 2,9,4,7                              # reduction candidate for 2,9
F9: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
F9: 4,7                                  # 16 pairs
* PAIR G7: 2,3 BLK 9
H9: 2,3,1                                # reduction candidate for 2,3
H9: 2,3 => SOLVED
* 352879461678214539149536872481753296735692184296481753967128345824365917513947628
H9: 1 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8345.2.3.5...5.3...61.
* PAIR G7: 2,3 COL G
G1: 2,3,4,9                              # reduction candidate for 2,3
G1: 2,3 => CTR
* .5.8....16.....5.....5..4..481753...7356..184...481753...1.8.45.2.3.58..5.8...632
G1: 4,9                                  # 16 pairs
G3: 2,3,4,8,9                            # reduction candidate for 2,3
G3: 2,3 => CTR
* .5.8..4.16.....5.....5.....481753...7356..184...481753...1.8.45.2.3.58..5.8...632
G3: 4,8,9                                # 15 pairs
* PAIR G8: 8,9 BLK 9
I8: 8,9,7                                # reduction candidate for 8,9
I8: 8,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.834512.3.5.7.5.....61.
I8: 7                                    # 16 pairs
* PAIR G8: 8,9 COL G
G3: 8,9,2,3,4                            # reduction candidate for 8,9
G3: 8,9 => SOLVED
* 352879461678214539149536872481753296735692184296481753967128345824365917513947628
G3: 2,3,4 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8.45.2.3.58..5.8...632
* PAIR I9: 2,8 COL I
I2: 2,8,7,9                              # reduction candidate for 2,8
I2: 2,8                                  # 18 pairs
I3: 2,8,6,7,9                            # reduction candidate for 2,8
I3: 2,8 => SOLVED
* 352879461678214539149536872481753296735692184296481753967128345824365917513947628
I3: 6,7,9                                # 15 pairs
* INCONCLUSIVE
* SAVE PR GRAPH xx-top500-060-base-pr-000.dot
* REASONING
* DIS # E1: 2,9 => CTR => E1: 3,4,7
* DIS # E2: 2,9 => CTR => E2: 1,3,4,7
* DIS # E3: 2,9 => CTR => E3: 1,3,4,7
* DIS # C2: 2,9 => CTR => C2: 3,4,7,8
* PRF # I2: 2,9 => SOL
* DIS # A1: 2,9 => CTR => A1: 3
* DIS # C6: 2 => CTR => C6: 6,9
* DIS # E1: 2,9 => CTR => E1: 3,4,7
* DIS # E2: 2,9 => CTR => E2: 1,3,4,7
* DIS # E3: 2,9 => CTR => E3: 1,3,4,7
* DIS # E9: 2,9 => CTR => E9: 4,7
* DIS # F9: 2,9 => CTR => F9: 4,7
* DIS # G1: 2,9 => CTR => G1: 3,4
* DIS # G3: 2,9 => CTR => G3: 3,4,8
* DIS # C7: 3,9 => CTR => C7: 6,7
* PRF # C9: 3,9 => SOL
* DIS # C9: 4,7,8 => CTR => C9: 3,9
* DIS # A1: 2 => CTR => A1: 3,9
* DIS # E9: 2,9 => CTR => E9: 4,7
* DIS # F9: 2,9 => CTR => F9: 4,7
* PRF # H9: 2,3 => SOL
* DIS # H9: 1 => CTR => H9: 2,3
* DIS # G1: 2,3 => CTR => G1: 4,9
* DIS # G3: 2,3 => CTR => G3: 4,8,9
* DIS # I8: 8,9 => CTR => I8: 7
* PRF # G3: 8,9 => SOL
* DIS # G3: 2,3,4 => CTR => G3: 8,9
* PRF # I3: 2,8 => SOL
* CNT  28 HDP CHAINS /  66 HYP OPENED

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A3,A6,A7,A8,B6,C8,D2,D9,E5,E8,F5,G4,G7,G8,I9)
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8.45.2.3.5...5.....6..
* PAIR D2: 2,9 BLK 2
E1: 2,9,3,4,7                            # reduction candidate for 2,9
E1: 2,9 => CTR
* .5.8....16.....5.....5.....481753...7356..184...481753...1.8245.2.3.5...5.....638
F1: 2,9,4,6,7                            # reduction candidate for 2,9
F1: 2,9                                  # 19 pairs
E2: 2,9,1,3,4,7                          # reduction candidate for 2,9
E2: 2,9 => CTR
* .5.8....161....5..8..51....481753...7356..184...481753...1.8.4512.3.58..5.8...6..
F2: 2,9,4,7                              # reduction candidate for 2,9
F2: 2,9                                  # 19 pairs
E3: 2,9,1,3,4,7                          # reduction candidate for 2,9
E3: 2,9 => CTR
* .5.83...16...1.5.....5.....481753...7356..184...4817533..1.8245.2.3.5...5.....638
F3: 2,9,4,6,7                            # reduction candidate for 2,9
F3: 2,9                                  # 18 pairs
* PAIR D2: 2,9 ROW 2
C2: 2,9,3,4,7,8                          # reduction candidate for 2,9
C2: 2,9 => CTR
* .5.8....16.....5.8...5.....481753...7356..184...481753...1.8.45.2.3.58..5.8...632
H2: 2,9,3,7                              # reduction candidate for 2,9
H2: 2,9                                  # 19 pairs
I2: 2,9,7,8                              # reduction candidate for 2,9
I2: 2,9 => SOLVED
* 352879461678214539149536872481753296735692184296481753967128345824365917513947628
* DURATION: 0:00:09.222979  START: 04:44:40.304429  END: 04:44:49.527408 2017-05-04
* SOLUTION FOUND
* SAVE PR GRAPH xx-top500-060-base-pr-001.dot
* REASONING
* DIS # E1: 2,9 => CTR => E1: 3,4,7
* DIS E1: 3,4,7 # E2: 2,9 => CTR => E2: 1,3,4,7
* DIS E1: 3,4,7 + E2: 1,3,4,7 # E3: 2,9 => CTR => E3: 1,3,4,7
* DIS E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 # C2: 2,9 => CTR => C2: 3,4,7,8
* PRF E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 # I2: 2,9 => SOL
* STA E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 + I2: 2,9
* CNT   5 HDP CHAINS /   9 HYP OPENED

Header Info

Top 500 Minimum 17 060

solution: 352879461678214539149536872481753296735692184296481753967128345824365917513947628
info: 1430     FNBHWXY  S8.f     11950

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

Solution

position: 352879461678214539149536872481753296735692184296481753967128345824365917513947628 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 # E1: 2,9 => CTR => E1: 3,4,7
* INC # E1: 3,4,7 => UNS
* INC # F1: 2,9 => UNS
* DIS # E2: 2,9 => CTR => E2: 1,3,4,7
* INC # E2: 1,3,4,7 => UNS
* INC # F2: 2,9 => UNS
* DIS # E3: 2,9 => CTR => E3: 1,3,4,7
* INC # E3: 1,3,4,7 => UNS
* INC # F3: 2,9 => UNS
* DIS # C2: 2,9 => CTR => C2: 3,4,7,8
* INC # C2: 3,4,7,8 => UNS
* INC # H2: 2,9 => UNS
* PRF # I2: 2,9 => SOL
* INC # I2: 7,8 => UNS
* INC # C6: 2,9 => UNS
* INC # C6: 6 => UNS
* DIS # A1: 2,9 => CTR => A1: 3
* INC # A1: 3 => UNS
* INC # C6: 6,9 => UNS
* DIS # C6: 2 => CTR => C6: 6,9
* INC # B7: 6,9 => UNS
* INC # B7: 7 => UNS
* DIS # E1: 2,9 => CTR => E1: 3,4,7
* INC # E1: 3,4,7 => UNS
* DIS # E2: 2,9 => CTR => E2: 1,3,4,7
* INC # E2: 1,3,4,7 => UNS
* DIS # E3: 2,9 => CTR => E3: 1,3,4,7
* INC # E3: 1,3,4,7 => UNS
* INC # E7: 2,9 => UNS
* DIS # E9: 2,9 => CTR => E9: 4,7
* INC # E9: 4,7 => UNS
* INC # F1: 2,9 => UNS
* INC # F2: 2,9 => UNS
* INC # F3: 2,9 => UNS
* DIS # F9: 2,9 => CTR => F9: 4,7
* INC # F9: 4,7 => UNS
* INC # H4: 2,9 => UNS
* INC # I4: 2,9 => UNS
* DIS # G1: 2,9 => CTR => G1: 3,4
* INC # G1: 3,4 => UNS
* DIS # G3: 2,9 => CTR => G3: 3,4,8
* INC # G3: 3,4,8 => UNS
* DIS # C7: 3,9 => CTR => C7: 6,7
* INC # C7: 6,7 => UNS
* PRF # C9: 3,9 => SOL
* DIS # C9: 4,7,8 => CTR => C9: 3,9
* INC # A1: 3,9 => UNS
* DIS # A1: 2 => CTR => A1: 3,9
* INC # E7: 2,9 => UNS
* DIS # E9: 2,9 => CTR => E9: 4,7
* INC # E9: 4,7 => UNS
* DIS # F9: 2,9 => CTR => F9: 4,7
* INC # F9: 4,7 => UNS
* PRF # H9: 2,3 => SOL
* DIS # H9: 1 => CTR => H9: 2,3
* DIS # G1: 2,3 => CTR => G1: 4,9
* INC # G1: 4,9 => UNS
* DIS # G3: 2,3 => CTR => G3: 4,8,9
* INC # G3: 4,8,9 => UNS
* DIS # I8: 8,9 => CTR => I8: 7
* INC # I8: 7 => UNS
* PRF # G3: 8,9 => SOL
* DIS # G3: 2,3,4 => CTR => G3: 8,9
* INC # I2: 2,8 => UNS
* PRF # I3: 2,8 => SOL
* INC # I3: 6,7,9 => UNS
* CNT  66 HDP CHAINS /  66 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* DIS # E1: 2,9 => CTR => E1: 3,4,7
* INC E1: 3,4,7 # F1: 2,9 => UNS
* DIS E1: 3,4,7 # E2: 2,9 => CTR => E2: 1,3,4,7
* INC E1: 3,4,7 + E2: 1,3,4,7 # F2: 2,9 => UNS
* DIS E1: 3,4,7 + E2: 1,3,4,7 # E3: 2,9 => CTR => E3: 1,3,4,7
* INC E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 # F3: 2,9 => UNS
* DIS E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 # C2: 2,9 => CTR => C2: 3,4,7,8
* INC E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 # H2: 2,9 => UNS
* PRF E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 # I2: 2,9 => SOL
* STA E1: 3,4,7 + E2: 1,3,4,7 + E3: 1,3,4,7 + C2: 3,4,7,8 + I2: 2,9
* CNT   9 HDP CHAINS /   9 HYP OPENED