Analysis of xx-top500-303-base.sdk

Contents

Original Sudoku

level: medium

Original Sudoku

position: 4.1.........8....6.............1423.56...........2.........314.67.5.............. initial

Autosolve

position: 4.1256..323.84.516.5613..24...6142355623.84.1143.25.6..25.6314.6745.13.231.4.265. autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

The following important HDP chains were detected:

* DIS # A3: 7 => CTR => A3: 8,9
* PRF # G1: 8,9 => SOL
* DIS # G1: 7 => CTR => G1: 8,9
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* PRF # A3: 7,9 => SOL
* DIS # A3: 8 => CTR => A3: 7,9
* DIS # C4: 7,9 => CTR => C4: 8
* PRF # C4: 8 => SOL
* PRF # A3: 7,9 => SOL
* DIS # A3: 8 => CTR => A3: 7,9
* PRF # G1: 8,9 => SOL
* DIS # G1: 7 => CTR => G1: 8,9
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* DIS # A3: 7 => CTR => A3: 8,9
* DIS # G6: 8,9 => CTR => G6: 7
* PRF # G6: 7 => SOL
* DIS # A4: 8,9 => CTR => A4: 7
* DIS # E9: 7,9 => CTR => E9: 8
* PRF # E9: 8 => SOL
* PRF # G6: 7,9 => SOL
* DIS # G6: 8 => CTR => G6: 7,9
* PRF # G6: 7,9 => SOL
* DIS # G6: 8 => CTR => G6: 7,9
* PRF # H1: 7,9 => SOL
* DIS # H1: 8 => CTR => H1: 7,9
* DIS # G6: 8,9 => CTR => G6: 7
* PRF # G6: 7 => SOL
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # A4: 8,9 => CTR => A4: 7
* PRF # E9: 8,9 => SOL
* DIS # E9: 7 => CTR => E9: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* DIS # C4: 7 => CTR => C4: 8,9
* DIS # E9: 7,9 => CTR => E9: 8
* PRF # E9: 8 => SOL
* PRF # I7: 7,9 => SOL
* DIS # I7: 8 => CTR => I7: 7,9
* PRF # E9: 8,9 => SOL
* DIS # E9: 7 => CTR => E9: 8,9
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* CNT  53 HDP CHAINS /  60 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 # A3: 7 => CTR => A3: 8,9
* PRF A3: 8,9 # G1: 8,9 => SOL
* STA A3: 8,9 + G1: 8,9
* CNT   2 HDP CHAINS /   3 HYP OPENED

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

Details

Positions

4.1.........8....6.............1423.56...........2.........314.67.5.............. initial
4.1256..323.84.516.5613..24...6142355623.84.1143.25.6..25.6314.6745.13.231.4.265. autosolve
481256973237849516956137824798614235562378491143925768825763149674591382319482657 solved

Classification

level: medium

Pairing Analysis

--------------------------------------------------
* PAIRS (15)
B1: 8,9
C2: 7,9
F2: 7,9
F3: 7,9
G3: 8,9
B4: 8,9
E5: 7,9
D6: 7,9
H5: 7,9
I6: 8,9
A7: 8,9
C9: 8,9
D7: 7,9
E8: 8,9
H8: 8,9

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
C2,A3: 7.. / C2 = 7  => 14 pairs (_) / A3 = 7  =>  0 pairs (X)
F2,F3: 7.. / F2 = 7  =>  0 pairs (X) / F3 = 7  => 14 pairs (_)
G1,H1: 7.. / G1 = 7  =>  0 pairs (X) / H1 = 7  =>  0 pairs (_)
A4,C4: 7.. / A4 = 7  => 14 pairs (_) / C4 = 7  =>  0 pairs (X)
E5,D6: 7.. / E5 = 7  =>  0 pairs (*) / D6 = 7  =>  0 pairs (X)
H5,G6: 7.. / H5 = 7  =>  0 pairs (X) / G6 = 7  =>  0 pairs (_)
D7,E9: 7.. / D7 = 7  =>  0 pairs (*) / E9 = 7  =>  0 pairs (X)
I7,I9: 7.. / I7 = 7  =>  0 pairs (X) / I9 = 7  =>  0 pairs (_)
C2,F2: 7.. / C2 = 7  => 14 pairs (_) / F2 = 7  =>  0 pairs (X)
A3,F3: 7.. / A3 = 7  =>  0 pairs (X) / F3 = 7  => 14 pairs (_)
E5,H5: 7.. / E5 = 7  =>  0 pairs (*) / H5 = 7  =>  0 pairs (X)
D6,G6: 7.. / D6 = 7  =>  0 pairs (X) / G6 = 7  =>  0 pairs (_)
D7,I7: 7.. / D7 = 7  =>  0 pairs (*) / I7 = 7  =>  0 pairs (X)
E9,I9: 7.. / E9 = 7  =>  0 pairs (X) / I9 = 7  =>  0 pairs (_)
A3,A4: 7.. / A3 = 7  =>  0 pairs (X) / A4 = 7  => 14 pairs (_)
C2,C4: 7.. / C2 = 7  => 14 pairs (_) / C4 = 7  =>  0 pairs (X)
D6,D7: 7.. / D6 = 7  =>  0 pairs (X) / D7 = 7  =>  0 pairs (_)
E5,E9: 7.. / E5 = 7  =>  0 pairs (*) / E9 = 7  =>  0 pairs (X)
G1,G6: 7.. / G1 = 7  =>  0 pairs (X) / G6 = 7  =>  0 pairs (_)
H1,H5: 7.. / H1 = 7  =>  0 pairs (*) / H5 = 7  =>  0 pairs (X)
B1,A3: 8.. / B1 = 8  =>  0 pairs (*) / A3 = 8  =>  0 pairs (X)
G6,I6: 8.. / G6 = 8  =>  0 pairs (X) / I6 = 8  =>  0 pairs (_)
A7,C9: 8.. / A7 = 8  =>  0 pairs (*) / C9 = 8  =>  0 pairs (X)
E8,E9: 8.. / E8 = 8  =>  0 pairs (X) / E9 = 8  =>  0 pairs (_)
A3,G3: 8.. / A3 = 8  =>  0 pairs (X) / G3 = 8  =>  0 pairs (_)
A7,I7: 8.. / A7 = 8  =>  0 pairs (*) / I7 = 8  =>  0 pairs (X)
E8,H8: 8.. / E8 = 8  =>  0 pairs (X) / H8 = 8  =>  0 pairs (_)
B1,B4: 8.. / B1 = 8  =>  0 pairs (*) / B4 = 8  =>  0 pairs (X)
C4,C9: 8.. / C4 = 8  =>  0 pairs (*) / C9 = 8  =>  0 pairs (X)
H1,H8: 8.. / H1 = 8  =>  0 pairs (X) / H8 = 8  =>  0 pairs (_)
F2,F3: 9.. / F2 = 9  => 14 pairs (_) / F3 = 9  =>  0 pairs (X)
E5,D6: 9.. / E5 = 9  =>  0 pairs (X) / D6 = 9  =>  0 pairs (_)
A7,C9: 9.. / A7 = 9  =>  0 pairs (X) / C9 = 9  =>  0 pairs (_)
C2,F2: 9.. / C2 = 9  =>  0 pairs (X) / F2 = 9  => 14 pairs (_)
E5,H5: 9.. / E5 = 9  =>  0 pairs (X) / H5 = 9  =>  0 pairs (_)
E8,H8: 9.. / E8 = 9  =>  0 pairs (*) / H8 = 9  =>  0 pairs (X)
B1,B4: 9.. / B1 = 9  =>  0 pairs (X) / B4 = 9  =>  0 pairs (_)
D6,D7: 9.. / D6 = 9  =>  0 pairs (*) / D7 = 9  =>  0 pairs (X)
* DURATION: 0:01:09.684297  START: 13:19:04.293518  END: 13:20:13.977815 2017-05-04
* CP COUNT: (38)
* SOLUTION FOUND

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A7,B1,B4,C2,C9,D6,D7,E5,E8,F2,F3,G3,H5,H8,I6)
* 4.1256..323.84.516.5613..24...6142355623.84.1143.25.6..25.6314.6745.13.231.4.265.
* PAIR B1: 8,9 BLK 1
A3: 8,9,7                                # reduction candidate for 8,9
A3: 7 => CTR
* 481256..3239847516756139824.976142355623.84.1143.25.68.25.6314.6745.13.231.4.265.
A3: 8,9                                  # 14 pairs
* PAIR B1: 8,9 ROW 1
G1: 8,9,7                                # reduction candidate for 8,9
G1: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
G1: 7 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
H1: 8,9,7                                # reduction candidate for 8,9
H1: 8,9 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
H1: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR C2: 7,9 BLK 1
A3: 7,9,8                                # reduction candidate for 7,9
A3: 7,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
A3: 8 => CTR
* 4.1256..32378495168561379247896142355623.84.1143.25.6.92576314867458139231849265.
* PAIR C2: 7,9 COL C
C4: 7,9,8                                # reduction candidate for 7,9
C4: 7,9 => CTR
* 4.1256..323.84.516.5613..24...6142355623.84.1143.25.6.92576314867458139231849265.
C4: 8 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR F3: 7,9 ROW 3
A3: 7,9,8                                # reduction candidate for 7,9
A3: 7,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
A3: 8 => CTR
* 4.1256..32378495168561379247896142355623.84.1143.25.6.92576314867458139231849265.
* PAIR G3: 8,9 BLK 3
G1: 8,9,7                                # reduction candidate for 8,9
G1: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
G1: 7 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
H1: 8,9,7                                # reduction candidate for 8,9
H1: 8,9 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
H1: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR G3: 8,9 ROW 3
A3: 8,9,7                                # reduction candidate for 8,9
A3: 7 => CTR
* 481256..3239847516756139824.976142355623.84.1143.25.68.25.6314.6745.13.231.4.265.
A3: 8,9                                  # 14 pairs
* PAIR G3: 8,9 COL G
G6: 8,9,7                                # reduction candidate for 8,9
G6: 8,9 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
G6: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR B4: 8,9 BLK 4
A4: 8,9,7                                # reduction candidate for 8,9
A4: 8,9 => CTR
* 4.1256..323.84.516756139824..76142355623.84.1143.25.68825.6314.6745.13823194.265.
A4: 7                                    # 14 pairs
C4: 8,9,7                                # reduction candidate for 8,9
C4: 8,9                                  # 14 pairs
* PAIR E5: 7,9 COL E
E9: 7,9,8                                # reduction candidate for 7,9
E9: 7,9 => CTR
* 4.1256.8323.84.516856137924789614235562398471143725869.25.6314.67458139231.4.265.
E9: 8 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR D6: 7,9 ROW 6
G6: 7,9,8                                # reduction candidate for 7,9
G6: 7,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
G6: 8 => CTR
* 49125678323784951685613.924...6142355623.8471143725869.25963147674581392319472658
* PAIR H5: 7,9 BLK 6
G6: 7,9,8                                # reduction candidate for 7,9
G6: 7,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
G6: 8 => CTR
* 49125678323784951685613.924...6142355623.8471143725869.25963147674581392319472658
* PAIR H5: 7,9 COL H
H1: 7,9,8                                # reduction candidate for 7,9
H1: 7,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
H1: 8 => CTR
* 4.125678323.84.5168561379247896142355623.8471143725869.25.6314.6745.13.231.4.265.
* PAIR I6: 8,9 BLK 6
G6: 8,9,7                                # reduction candidate for 8,9
G6: 8,9 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
G6: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR I6: 8,9 COL I
I7: 8,9,7                                # reduction candidate for 8,9
I7: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
I7: 7 => CTR
* 48125697323.84.516.5613..24...6142355623.84.1143.25.6.825963147674581392319472658
I9: 8,9,7                                # reduction candidate for 8,9
I9: 8,9 => CTR
* 481256..323.84.516.5613..24...614235562398471143725.6.825963147674581392319472658
I9: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR A7: 8,9 ROW 7
I7: 8,9,7                                # reduction candidate for 8,9
I7: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
I7: 7 => CTR
* 48125697323.84.516.5613..24...6142355623.84.1143.25.6.825963147674581392319472658
* PAIR A7: 8,9 COL A
A3: 8,9,7                                # reduction candidate for 8,9
A3: 8,9                                  # 14 pairs
A4: 8,9,7                                # reduction candidate for 8,9
A4: 8,9 => CTR
* 4.1256..323.84.516756139824..76142355623.84.1143.25.68825.6314.6745.13823194.265.
A4: 7                                    # 14 pairs
* PAIR C9: 8,9 ROW 9
E9: 8,9,7                                # reduction candidate for 8,9
E9: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
E9: 7 => CTR
* 4.1256.8323784951685613..24...6142355623.84.1143.25.6..25.6314.674581392319472658
I9: 8,9,7                                # reduction candidate for 8,9
I9: 8,9 => CTR
* 481256..323.84.516.5613..24...614235562398471143725.6.825963147674581392319472658
I9: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR C9: 8,9 COL C
C4: 8,9,7                                # reduction candidate for 8,9
C4: 7 => CTR
* 4.1256..32398475167561398248976142355623.84.1143.25.6892576314.6745.13.23184.265.
C4: 8,9                                  # 14 pairs
* PAIR D7: 7,9 BLK 8
E9: 7,9,8                                # reduction candidate for 7,9
E9: 7,9 => CTR
* 4.1256.8323.84.516856137924789614235562398471143725869.25.6314.67458139231.4.265.
E9: 8 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR D7: 7,9 ROW 7
I7: 7,9,8                                # reduction candidate for 7,9
I7: 7,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
I7: 8 => CTR
* 4.1256..323.84.516.5613..24...6142355623.84.1143.25.6..2576314867458139231849265.
* PAIR E8: 8,9 BLK 8
E9: 8,9,7                                # reduction candidate for 8,9
E9: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
E9: 7 => CTR
* 4.1256.8323784951685613..24...6142355623.84.1143.25.6..25.6314.674581392319472658
* PAIR H8: 8,9 BLK 9
I7: 8,9,7                                # reduction candidate for 8,9
I7: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
I7: 7 => CTR
* 48125697323.84.516.5613..24...6142355623.84.1143.25.6.825963147674581392319472658
I9: 8,9,7                                # reduction candidate for 8,9
I9: 8,9 => CTR
* 481256..323.84.516.5613..24...614235562398471143725.6.825963147674581392319472658
I9: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* PAIR H8: 8,9 COL H
H1: 8,9,7                                # reduction candidate for 8,9
H1: 8,9 => CTR
* 49125678323784951685613..24...6142355623.8471143725.6..25963147674581392319472658
H1: 7 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* INCONCLUSIVE
* SAVE PR GRAPH xx-top500-303-base-pr-000.dot
* REASONING
* DIS # A3: 7 => CTR => A3: 8,9
* PRF # G1: 8,9 => SOL
* DIS # G1: 7 => CTR => G1: 8,9
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* PRF # A3: 7,9 => SOL
* DIS # A3: 8 => CTR => A3: 7,9
* DIS # C4: 7,9 => CTR => C4: 8
* PRF # C4: 8 => SOL
* PRF # A3: 7,9 => SOL
* DIS # A3: 8 => CTR => A3: 7,9
* PRF # G1: 8,9 => SOL
* DIS # G1: 7 => CTR => G1: 8,9
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* DIS # A3: 7 => CTR => A3: 8,9
* DIS # G6: 8,9 => CTR => G6: 7
* PRF # G6: 7 => SOL
* DIS # A4: 8,9 => CTR => A4: 7
* DIS # E9: 7,9 => CTR => E9: 8
* PRF # E9: 8 => SOL
* PRF # G6: 7,9 => SOL
* DIS # G6: 8 => CTR => G6: 7,9
* PRF # G6: 7,9 => SOL
* DIS # G6: 8 => CTR => G6: 7,9
* PRF # H1: 7,9 => SOL
* DIS # H1: 8 => CTR => H1: 7,9
* DIS # G6: 8,9 => CTR => G6: 7
* PRF # G6: 7 => SOL
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # A4: 8,9 => CTR => A4: 7
* PRF # E9: 8,9 => SOL
* DIS # E9: 7 => CTR => E9: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* DIS # C4: 7 => CTR => C4: 8,9
* DIS # E9: 7,9 => CTR => E9: 8
* PRF # E9: 8 => SOL
* PRF # I7: 7,9 => SOL
* DIS # I7: 8 => CTR => I7: 7,9
* PRF # E9: 8,9 => SOL
* DIS # E9: 7 => CTR => E9: 8,9
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* CNT  53 HDP CHAINS /  60 HYP OPENED

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A7,B1,B4,C2,C9,D6,D7,E5,E8,F2,F3,G3,H5,H8,I6)
* 4.1256..323.84.516.5613..24...6142355623.84.1143.25.6..25.6314.6745.13.231.4.265.
* PAIR B1: 8,9 BLK 1
A3: 8,9,7                                # reduction candidate for 8,9
A3: 7 => CTR
* 481256..3239847516756139824.976142355623.84.1143.25.68.25.6314.6745.13.231.4.265.
* PAIR B1: 8,9 ROW 1
G1: 8,9,7                                # reduction candidate for 8,9
G1: 8,9 => SOLVED
* 481256973237849516956137824798614235562378491143925768825763149674591382319482657
* DURATION: 0:00:03.975517  START: 13:21:23.050354  END: 13:21:27.025871 2017-05-04
* SOLUTION FOUND
* SAVE PR GRAPH xx-top500-303-base-pr-001.dot
* REASONING
* DIS # A3: 7 => CTR => A3: 8,9
* PRF A3: 8,9 # G1: 8,9 => SOL
* STA A3: 8,9 + G1: 8,9
* CNT   2 HDP CHAINS /   3 HYP OPENED

Header Info

Top 500 Minimum 17 303

solution: 481256973237849516956137824798614235562378491143925768825763149674591382319482657
info: 2587     FNBWY    S8.f     31247

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

Solution

position: 481256973237849516956137824798614235562378491143925768825763149674591382319482657 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:

* INC # A3: 8,9 => UNS
* DIS # A3: 7 => CTR => A3: 8,9
* PRF # G1: 8,9 => SOL
* DIS # G1: 7 => CTR => G1: 8,9
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* PRF # A3: 7,9 => SOL
* DIS # A3: 8 => CTR => A3: 7,9
* DIS # C4: 7,9 => CTR => C4: 8
* PRF # C4: 8 => SOL
* PRF # A3: 7,9 => SOL
* DIS # A3: 8 => CTR => A3: 7,9
* PRF # G1: 8,9 => SOL
* DIS # G1: 7 => CTR => G1: 8,9
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* INC # A3: 8,9 => UNS
* DIS # A3: 7 => CTR => A3: 8,9
* DIS # G6: 8,9 => CTR => G6: 7
* PRF # G6: 7 => SOL
* DIS # A4: 8,9 => CTR => A4: 7
* INC # A4: 7 => UNS
* INC # C4: 8,9 => UNS
* DIS # E9: 7,9 => CTR => E9: 8
* PRF # E9: 8 => SOL
* PRF # G6: 7,9 => SOL
* DIS # G6: 8 => CTR => G6: 7,9
* PRF # G6: 7,9 => SOL
* DIS # G6: 8 => CTR => G6: 7,9
* PRF # H1: 7,9 => SOL
* DIS # H1: 8 => CTR => H1: 7,9
* DIS # G6: 8,9 => CTR => G6: 7
* PRF # G6: 7 => SOL
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* INC # A3: 8,9 => UNS
* DIS # A4: 8,9 => CTR => A4: 7
* INC # A4: 7 => UNS
* PRF # E9: 8,9 => SOL
* DIS # E9: 7 => CTR => E9: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* INC # C4: 8,9 => UNS
* DIS # C4: 7 => CTR => C4: 8,9
* DIS # E9: 7,9 => CTR => E9: 8
* PRF # E9: 8 => SOL
* PRF # I7: 7,9 => SOL
* DIS # I7: 8 => CTR => I7: 7,9
* PRF # E9: 8,9 => SOL
* DIS # E9: 7 => CTR => E9: 8,9
* PRF # I7: 8,9 => SOL
* DIS # I7: 7 => CTR => I7: 8,9
* DIS # I9: 8,9 => CTR => I9: 7
* PRF # I9: 7 => SOL
* DIS # H1: 8,9 => CTR => H1: 7
* PRF # H1: 7 => SOL
* CNT  60 HDP CHAINS /  60 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* INC # A3: 8,9 => UNS
* DIS # A3: 7 => CTR => A3: 8,9
* PRF A3: 8,9 # G1: 8,9 => SOL
* STA A3: 8,9 + G1: 8,9
* CNT   3 HDP CHAINS /   3 HYP OPENED