Analysis of xx-top500-080-base.sdk

Contents

Original Sudoku

level: medium

Original Sudoku

position: 82..3.......5...4..........3.....8.2...4.7......1......64....7.....1.3....5...... initial

Autosolve

position: 82..347.....5...4.45..71...347...812...4.7.3....1.34.7.643...7.....1.3.4.35.4.... autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

The following important HDP chains were detected:

* DIS # C1: 6,9 => CTR => C1: 1
* DIS # I1: 6,9 => CTR => I1: 1,5
* DIS # C2: 6,9 => CTR => C2: 1,3
* DIS # G2: 6,9 => CTR => G2: 1,2
* DIS # I2: 6,9 => CTR => I2: 1,3,8
* DIS # E4: 5 => CTR => E4: 6,9
* DIS # F9: 2,8 => CTR => F9: 6,9
* DIS # I1: 6,9 => CTR => I1: 1,5
* DIS # G2: 6,9 => CTR => G2: 1,2
* DIS # I2: 6,9 => CTR => I2: 1,3,8
* DIS # I3: 6,9 => CTR => I3: 3
* DIS # C3: 3 => CTR => C3: 6,9
* DIS # G5: 6,9 => CTR => G5: 5
* DIS # B5: 8,9 => CTR => B5: 1
* PRF # C6: 8,9 => SOL
* DIS # B8: 7 => CTR => B8: 8,9
* DIS # E4: 5 => CTR => E4: 6,9
* DIS # E4: 5,9 => CTR => E4: 6
* PRF # E4: 6 => SOL
* DIS # F7: 5,9 => CTR => F7: 2,8
* PRF # C5: 1,6,9 => SOL
* PRF # C6: 2,8 => SOL
* DIS # F7: 5,9 => CTR => F7: 2,8
* DIS # E4: 5,9 => CTR => E4: 6
* PRF # E4: 6 => SOL
* DIS # H1: 5,6 => CTR => H1: 9
* PRF # H1: 9 => SOL
* PRF # H6: 5,6 => SOL
* DIS # H6: 9 => CTR => H6: 5,6
* DIS # F9: 2,8 => CTR => F9: 6,9
* CNT  30 HDP CHAINS /  71 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 # C1: 6,9 => CTR => C1: 1
* DIS C1: 1 # I1: 6,9 => CTR => I1: 5
* DIS C1: 1 + I1: 5 # A2: 7 => CTR => A2: 6,9
* DIS C1: 1 + I1: 5 + A2: 6,9 # E4: 5 => CTR => E4: 6,9
* DIS C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 # F9: 2,8 => CTR => F9: 9
* PRF C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 # C6: 8,9 => SOL
* STA C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 + C6: 8,9
* CNT   6 HDP CHAINS /  13 HYP OPENED

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

Details

Positions

82..3.......5...4..........3.....8.2...4.7......1......64....7.....1.3....5...... initial
82..347.....5...4.45..71...347...812...4.7.3....1.34.7.643...7.....1.3.4.35.4.... autosolve
821634795673598241459271683347965812216487539598123467164352978982716354735849126 solved

Classification

level: medium

Pairing Analysis

--------------------------------------------------
* PAIRS (17)
D1: 6,9
E2: 6,9
F2: 2,8
D3: 2,8
G3: 6,9
H3: 2,8
B6: 8,9
D4: 6,9
F4: 5,9
E5: 2,8
E6: 2,8
A7: 1,2
E7: 5,9
D8: 2,7
F8: 5,6
H8: 5,6
H9: 2,8

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
B5,C5: 1.. / B5 = 1  => 20 pairs (_) / C5 = 1  =>  0 pairs (X)
A7,A9: 1.. / A7 = 1  => 19 pairs (_) / A9 = 1  => 17 pairs (_)
C1,I1: 1.. / C1 = 1  => 21 pairs (_) / I1 = 1  =>  0 pairs (X)
B2,B5: 1.. / B2 = 1  =>  0 pairs (X) / B5 = 1  => 20 pairs (_)
F2,D3: 2.. / F2 = 2  => 16 pairs (_) / D3 = 2  => 19 pairs (_)
G2,H3: 2.. / G2 = 2  => 19 pairs (_) / H3 = 2  => 16 pairs (_)
E5,E6: 2.. / E5 = 2  =>  0 pairs (X) / E6 = 2  => 16 pairs (_)
F2,G2: 2.. / F2 = 2  => 16 pairs (_) / G2 = 2  => 19 pairs (_)
D3,H3: 2.. / D3 = 2  => 19 pairs (_) / H3 = 2  => 16 pairs (_)
H3,H9: 2.. / H3 = 2  => 16 pairs (_) / H9 = 2  => 19 pairs (_)
C2,C3: 3.. / C2 = 3  => 18 pairs (_) / C3 = 3  =>  0 pairs (X)
I2,I3: 3.. / I2 = 3  =>  0 pairs (X) / I3 = 3  => 18 pairs (_)
C2,I2: 3.. / C2 = 3  => 18 pairs (_) / I2 = 3  =>  0 pairs (X)
C3,I3: 3.. / C3 = 3  =>  0 pairs (X) / I3 = 3  => 18 pairs (_)
H1,I1: 5.. / H1 = 5  =>  0 pairs (X) / I1 = 5  => 23 pairs (_)
A5,A6: 5.. / A5 = 5  =>  0 pairs (X) / A6 = 5  => 18 pairs (_)
E4,F4: 5.. / E4 = 5  =>  0 pairs (X) / F4 = 5  => 21 pairs (_)
A6,H6: 5.. / A6 = 5  => 18 pairs (_) / H6 = 5  =>  0 pairs (X)
F8,H8: 5.. / F8 = 5  =>  0 pairs (X) / H8 = 5  => 22 pairs (_)
E4,E7: 5.. / E4 = 5  =>  0 pairs (X) / E7 = 5  => 21 pairs (_)
G5,G7: 5.. / G5 = 5  => 19 pairs (_) / G7 = 5  =>  0 pairs (X)
D1,E2: 6.. / D1 = 6  =>  0 pairs (*) / E2 = 6  =>  0 pairs (X)
D4,E4: 6.. / D4 = 6  =>  0 pairs (X) / E4 = 6  =>  0 pairs (_)
F8,F9: 6.. / F8 = 6  => 22 pairs (_) / F9 = 6  =>  0 pairs (X)
F8,H8: 6.. / F8 = 6  => 22 pairs (_) / H8 = 6  =>  0 pairs (X)
D1,D4: 6.. / D1 = 6  =>  0 pairs (*) / D4 = 6  =>  0 pairs (X)
E2,E4: 6.. / E2 = 6  =>  0 pairs (X) / E4 = 6  =>  0 pairs (_)
A2,B2: 7.. / A2 = 7  =>  0 pairs (X) / B2 = 7  => 21 pairs (_)
D8,D9: 7.. / D8 = 7  => 23 pairs (_) / D9 = 7  => 18 pairs (_)
A9,D9: 7.. / A9 = 7  => 23 pairs (_) / D9 = 7  => 18 pairs (_)
B2,B8: 7.. / B2 = 7  => 21 pairs (_) / B8 = 7  =>  0 pairs (X)
F2,D3: 8.. / F2 = 8  => 19 pairs (_) / D3 = 8  => 16 pairs (_)
I2,H3: 8.. / I2 = 8  => 16 pairs (_) / H3 = 8  => 19 pairs (_)
E5,E6: 8.. / E5 = 8  => 16 pairs (_) / E6 = 8  =>  0 pairs (X)
B8,C8: 8.. / B8 = 8  =>  0 pairs (*) / C8 = 8  =>  0 pairs (X)
F2,I2: 8.. / F2 = 8  => 19 pairs (_) / I2 = 8  => 16 pairs (_)
D3,H3: 8.. / D3 = 8  => 16 pairs (_) / H3 = 8  => 19 pairs (_)
F7,I7: 8.. / F7 = 8  => 16 pairs (_) / I7 = 8  => 19 pairs (_)
D3,D9: 8.. / D3 = 8  => 16 pairs (_) / D9 = 8  => 19 pairs (_)
H3,H9: 8.. / H3 = 8  => 19 pairs (_) / H9 = 8  => 16 pairs (_)
D1,E2: 9.. / D1 = 9  =>  0 pairs (X) / E2 = 9  =>  0 pairs (_)
D1,D4: 9.. / D1 = 9  =>  0 pairs (X) / D4 = 9  =>  0 pairs (_)
H1,H6: 9.. / H1 = 9  =>  0 pairs (*) / H6 = 9  =>  0 pairs (X)
* DURATION: 0:01:37.832437  START: 05:30:17.422848  END: 05:31:55.255285 2017-05-04
* CP COUNT: (43)
* SOLUTION FOUND

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A7,B6,D1,D3,D4,D8,E2,E5,E6,E7,F2,F4,F8,G3,H3,H8,H9)
* 82..347.....5...4.45..71...347...812...4.7.3....1.34.7.643...7.....1.3.4.35.4....
* PAIR D1: 6,9 ROW 1
C1: 6,9,1                                # reduction candidate for 6,9
C1: 6,9 => CTR
* 82..34751...5...4.45..71...347.59812...4.7.3.586123497.6439..7...8.15364.35.46...
C1: 1                                    # 21 pairs
H1: 6,9,5                                # reduction candidate for 6,9
H1: 6,9                                  # 23 pairs
I1: 6,9,1,5                              # reduction candidate for 6,9
I1: 6,9 => CTR
* 8219347566..5...4.45..71...347.59812.1.4.7.3.586123497.6439..7...8.15364.35.46...
I1: 1,5                                  # 18 pairs
* PAIR E2: 6,9 ROW 2
A2: 6,9,7                                # reduction candidate for 6,9
A2: 6,9                                  # 21 pairs
C2: 6,9,1,3                              # reduction candidate for 6,9
C2: 6,9 => CTR
* 82..347.....5.8243453271.8.347...812...4.7.3....1.34.7.643.2.78...71.3.473584..2.
C2: 1,3                                  # 18 pairs
G2: 6,9,1,2                              # reduction candidate for 6,9
G2: 6,9 => CTR
* 82..34751.135.2.4845.871.23347...812..14.7.3.5..1.3497.643.8.7..78215364.35746.89
G2: 1,2                                  # 18 pairs
I2: 6,9,1,3,8                            # reduction candidate for 6,9
I2: 6,9 => CTR
* 82..347....35.824.45.271.83347...812...4.7.3....1.34.7.643...78...71.3.473584..2.
I2: 1,3,8                                # 17 pairs
* PAIR E2: 6,9 COL E
E4: 6,9,5                                # reduction candidate for 6,9
E4: 5 => CTR
* 82.9347.....56..4.45..71...347659812...4.7.3.586123497.6439..7...8.1.3.4.35.4....
E4: 6,9                                  # 21 pairs
* PAIR F2: 2,8 COL F
F7: 2,8,5,9                              # reduction candidate for 2,8
F7: 2,8                                  # 19 pairs
F9: 2,8,6,9                              # reduction candidate for 2,8
F9: 2,8 => CTR
* 821.347.5..35...4145.871.2.347...812.1.4.753.5..1.34.7.643...7.....16354.35.4....
F9: 6,9                                  # 19 pairs
* PAIR D3: 2,8 COL D
D9: 2,8,7                                # reduction candidate for 2,8
D9: 2,8                                  # 23 pairs
D9: 7                                    # 18 pairs
* PAIR G3: 6,9 BLK 3
H1: 6,9,5                                # reduction candidate for 6,9
H1: 6,9                                  # 23 pairs
I1: 6,9,1,5                              # reduction candidate for 6,9
I1: 6,9 => CTR
* 8219347566..5...4.45..71...347.59812.1.4.7.3.586123497.6439..7...8.15364.35.46...
I1: 1,5                                  # 18 pairs
G2: 6,9,1,2                              # reduction candidate for 6,9
G2: 6,9 => CTR
* 82..34751.135.2.4845.871.23347...812..14.7.3.5..1.3497.643.8.7..78215364.35746.89
G2: 1,2                                  # 18 pairs
I2: 6,9,1,3,8                            # reduction candidate for 6,9
I2: 6,9 => CTR
* 82..347....35.824.45.271.83347...812...4.7.3....1.34.7.643...78...71.3.473584..2.
I2: 1,3,8                                # 17 pairs
I3: 6,9,3                                # reduction candidate for 6,9
I3: 6,9 => CTR
* 82..34751.715.8243453271986347.59812.1.4.76355.6123497164392578.98715364735846129
I3: 3                                    # 18 pairs
* PAIR G3: 6,9 ROW 3
C3: 6,9,3                                # reduction candidate for 6,9
C3: 3 => CTR
* 82..34751.715.8243453271986347.59812.1.4.76355.6123497164392578.98715364735846129
C3: 6,9                                  # 18 pairs
* PAIR G3: 6,9 COL G
G5: 6,9,5                                # reduction candidate for 6,9
G5: 6,9 => CTR
* 82.93475....56..4.45..71...347659812...4.7.355.6123497.6439.57.....15364.35.46...
G5: 5                                    # 19 pairs
G9: 6,9,1,2                              # reduction candidate for 6,9
G9: 6,9                                  # 22 pairs
* PAIR B6: 8,9 BLK 4
B5: 8,9,1                                # reduction candidate for 8,9
B5: 8,9 => CTR
* 82..347517135.2.4845.871.23347...812.81427.3.5921834.7.643.8.7.97821.3.4.3574..8.
B5: 1                                    # 20 pairs
C5: 8,9,1,2,6                            # reduction candidate for 8,9
C5: 8,9                                  # 22 pairs
C6: 8,9,2,6                              # reduction candidate for 8,9
C6: 8,9 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
C6: 2,6                                  # 18 pairs
* PAIR B6: 8,9 COL B
B8: 8,9,7                                # reduction candidate for 8,9
B8: 7 => CTR
* 82..347957.3592.4845.871.23347...812...4.7.3....1.34.7.643.8.7.97821.3.4.3574..8.
B8: 8,9                                  # 21 pairs
* PAIR D4: 6,9 BLK 5
E4: 6,9,5                                # reduction candidate for 6,9
E4: 5 => CTR
* 82.9347.....56..4.45..71...347659812...4.7.3.586123497.6439..7...8.1.3.4.35.4....
E4: 6,9                                  # 21 pairs
* PAIR F4: 5,9 BLK 5
E4: 5,9,6                                # reduction candidate for 5,9
E4: 5,9 => CTR
* 82.9347.....56..4.45..71...3476..812...4.7.3.586123497.643...7...8.1.3.4.35.4....
E4: 6 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
* PAIR F4: 5,9 COL F
F7: 5,9,2,8                              # reduction candidate for 5,9
F7: 5,9 => CTR
* 82..347.....5...4.45..71...347...812...4.7.3....1.34.7.643...78....1.3.4.35.4..2.
F7: 2,8                                  # 19 pairs
* PAIR E5: 2,8 ROW 5
C5: 2,8,1,6,9                            # reduction candidate for 2,8
C5: 1,6,9 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
C5: 2,8                                  # 21 pairs
* PAIR E6: 2,8 ROW 6
C6: 2,8,6,9                              # reduction candidate for 2,8
C6: 2,8 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
C6: 6,9                                  # 23 pairs
* PAIR A7: 1,2 BLK 7
A9: 1,2,7                                # reduction candidate for 1,2
A9: 7                                    # 23 pairs
A9: 1,2                                  # 18 pairs
* PAIR A7: 1,2 ROW 7
G7: 1,2,5,9                              # reduction candidate for 1,2
G7: 5,9                                  # 26 pairs
G7: 1,2                                  # 20 pairs
* PAIR E7: 5,9 BLK 8
F7: 5,9,2,8                              # reduction candidate for 5,9
F7: 5,9 => CTR
* 82..347.....5...4.45..71...347...812...4.7.3....1.34.7.643...78....1.3.4.35.4..2.
F7: 2,8                                  # 19 pairs
* PAIR E7: 5,9 ROW 7
G7: 5,9,1,2                              # reduction candidate for 5,9
G7: 5,9                                  # 26 pairs
I7: 5,9,1,8                              # reduction candidate for 5,9
I7: 5,9                                  # 20 pairs
* PAIR E7: 5,9 COL E
E4: 5,9,6                                # reduction candidate for 5,9
E4: 5,9 => CTR
* 82.9347.....56..4.45..71...3476..812...4.7.3.586123497.643...7...8.1.3.4.35.4....
E4: 6 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
* PAIR D8: 2,7 BLK 8
D9: 2,7,8                                # reduction candidate for 2,7
D9: 8                                    # 19 pairs
D9: 2,7                                  # 16 pairs
* PAIR D8: 2,7 ROW 8
A8: 2,7,9                                # reduction candidate for 2,7
A8: 2,7                                  # 24 pairs
A8: 9                                    # 20 pairs
* PAIR H8: 5,6 COL H
H1: 5,6,9                                # reduction candidate for 5,6
H1: 5,6 => CTR
* 82..347..67.59..4.45..71...347965812.12487.3.586123497.6435..7..98.16354.35.4....
H1: 9 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
H6: 5,6,9                                # reduction candidate for 5,6
H6: 5,6 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
H6: 9 => CTR
* 82..347..67.59..4.45..71...347965812.1.487.3.586123497.6435..7..98.16354.35.4....
* PAIR H9: 2,8 ROW 9
D9: 2,8,7                                # reduction candidate for 2,8
D9: 2,8                                  # 23 pairs
F9: 2,8,6,9                              # reduction candidate for 2,8
F9: 2,8 => CTR
* 821.347.5..35...4145.871.2.347...812.1.4.753.5..1.34.7.643...7.....16354.35.4....
F9: 6,9                                  # 19 pairs
* INCONCLUSIVE
* SAVE PR GRAPH xx-top500-080-base-pr-000.dot
* REASONING
* DIS # C1: 6,9 => CTR => C1: 1
* DIS # I1: 6,9 => CTR => I1: 1,5
* DIS # C2: 6,9 => CTR => C2: 1,3
* DIS # G2: 6,9 => CTR => G2: 1,2
* DIS # I2: 6,9 => CTR => I2: 1,3,8
* DIS # E4: 5 => CTR => E4: 6,9
* DIS # F9: 2,8 => CTR => F9: 6,9
* DIS # I1: 6,9 => CTR => I1: 1,5
* DIS # G2: 6,9 => CTR => G2: 1,2
* DIS # I2: 6,9 => CTR => I2: 1,3,8
* DIS # I3: 6,9 => CTR => I3: 3
* DIS # C3: 3 => CTR => C3: 6,9
* DIS # G5: 6,9 => CTR => G5: 5
* DIS # B5: 8,9 => CTR => B5: 1
* PRF # C6: 8,9 => SOL
* DIS # B8: 7 => CTR => B8: 8,9
* DIS # E4: 5 => CTR => E4: 6,9
* DIS # E4: 5,9 => CTR => E4: 6
* PRF # E4: 6 => SOL
* DIS # F7: 5,9 => CTR => F7: 2,8
* PRF # C5: 1,6,9 => SOL
* PRF # C6: 2,8 => SOL
* DIS # F7: 5,9 => CTR => F7: 2,8
* DIS # E4: 5,9 => CTR => E4: 6
* PRF # E4: 6 => SOL
* DIS # H1: 5,6 => CTR => H1: 9
* PRF # H1: 9 => SOL
* PRF # H6: 5,6 => SOL
* DIS # H6: 9 => CTR => H6: 5,6
* DIS # F9: 2,8 => CTR => F9: 6,9
* CNT  30 HDP CHAINS /  71 HYP OPENED

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A7,B6,D1,D3,D4,D8,E2,E5,E6,E7,F2,F4,F8,G3,H3,H8,H9)
* 82..347.....5...4.45..71...347...812...4.7.3....1.34.7.643...7.....1.3.4.35.4....
* PAIR D1: 6,9 ROW 1
C1: 6,9,1                                # reduction candidate for 6,9
C1: 6,9 => CTR
* 82..34751...5...4.45..71...347.59812...4.7.3.586123497.6439..7...8.15364.35.46...
H1: 6,9,5                                # reduction candidate for 6,9
H1: 6,9                                  # 23 pairs
I1: 6,9,5                                # reduction candidate for 6,9
I1: 6,9 => CTR
* 821934756..35...4.45..71..3347.59812.1.4.7.3.586123497.6439..7...8.15364.35.46...
* RESTART
* PAIR RESTART
* PAIR E2: 6,9 ROW 2
A2: 6,9,7                                # reduction candidate for 6,9
A2: 7 => CTR
* 821.347.579356..4.456.719.33476..812.1.4.7.3..8.123497.643...7.....1.3.4.35.4....
* PAIR E2: 6,9 COL E
E4: 6,9,5                                # reduction candidate for 6,9
E4: 5 => CTR
* 821.347.5.7356..4.456.719.3347659812.1.4.7.3....1.3497.6439..7..98.1.354.35.4...9
* PAIR RESTART
* PAIR F2: 2,8 COL F
F7: 2,8,9                                # reduction candidate for 2,8
F7: 2,8                                  # 23 pairs
F9: 2,8,9                                # reduction candidate for 2,8
F9: 2,8 => CTR
* 821.347.5.735...4.45..71..3347..5812.1.4.753.5..1.34.7.64359.78....16354.35.4..2.
* RESTART
* PAIR RESTART
* PAIR D3: 2,8 COL D
D9: 2,8,7                                # reduction candidate for 2,8
D9: 2,8                                  # 27 pairs
D9: 7                                    # 23 pairs
* PAIR B6: 8,9 BLK 4
C5: 8,9,2,6                              # reduction candidate for 8,9
C5: 8,9                                  # 26 pairs
C6: 8,9,2,6                              # reduction candidate for 8,9
C6: 8,9 => SOLVED
* 821634795673598241459271683347965812216487539598123467164352978982716354735849126
* DURATION: 0:00:20.119480  START: 05:33:21.802866  END: 05:33:41.922346 2017-05-04
* SOLUTION FOUND
* SAVE PR GRAPH xx-top500-080-base-pr-001.dot
* REASONING
* DIS # C1: 6,9 => CTR => C1: 1
* DIS C1: 1 # I1: 6,9 => CTR => I1: 5
* DIS C1: 1 + I1: 5 # A2: 7 => CTR => A2: 6,9
* DIS C1: 1 + I1: 5 + A2: 6,9 # E4: 5 => CTR => E4: 6,9
* DIS C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 # F9: 2,8 => CTR => F9: 9
* PRF C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 # C6: 8,9 => SOL
* STA C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 + C6: 8,9
* CNT   6 HDP CHAINS /  13 HYP OPENED

Header Info

Top 500 Minimum 17 080

solution: 821634795673598241459271683347965812216487539598123467164352978982716354735849126
info: 1524     FNBTHWXY S8.f     38654

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

Solution

position: 821634795673598241459271683347965812216487539598123467164352978982716354735849126 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 # C1: 6,9 => CTR => C1: 1
* INC # C1: 1 => UNS
* INC # H1: 6,9 => UNS
* DIS # I1: 6,9 => CTR => I1: 1,5
* INC # I1: 1,5 => UNS
* INC # A2: 6,9 => UNS
* DIS # C2: 6,9 => CTR => C2: 1,3
* INC # C2: 1,3 => UNS
* DIS # G2: 6,9 => CTR => G2: 1,2
* INC # G2: 1,2 => UNS
* DIS # I2: 6,9 => CTR => I2: 1,3,8
* INC # I2: 1,3,8 => UNS
* INC # E4: 6,9 => UNS
* DIS # E4: 5 => CTR => E4: 6,9
* INC # F7: 2,8 => UNS
* DIS # F9: 2,8 => CTR => F9: 6,9
* INC # F9: 6,9 => UNS
* INC # D9: 2,8 => UNS
* INC # D9: 7 => UNS
* INC # H1: 6,9 => UNS
* DIS # I1: 6,9 => CTR => I1: 1,5
* INC # I1: 1,5 => UNS
* DIS # G2: 6,9 => CTR => G2: 1,2
* INC # G2: 1,2 => UNS
* DIS # I2: 6,9 => CTR => I2: 1,3,8
* INC # I2: 1,3,8 => UNS
* DIS # I3: 6,9 => CTR => I3: 3
* INC # I3: 3 => UNS
* INC # C3: 6,9 => UNS
* DIS # C3: 3 => CTR => C3: 6,9
* DIS # G5: 6,9 => CTR => G5: 5
* INC # G5: 5 => UNS
* INC # G9: 6,9 => UNS
* DIS # B5: 8,9 => CTR => B5: 1
* INC # B5: 1 => UNS
* INC # C5: 8,9 => UNS
* PRF # C6: 8,9 => SOL
* INC # C6: 2,6 => UNS
* INC # B8: 8,9 => UNS
* DIS # B8: 7 => CTR => B8: 8,9
* INC # E4: 6,9 => UNS
* DIS # E4: 5 => CTR => E4: 6,9
* DIS # E4: 5,9 => CTR => E4: 6
* PRF # E4: 6 => SOL
* DIS # F7: 5,9 => CTR => F7: 2,8
* INC # F7: 2,8 => UNS
* INC # C5: 2,8 => UNS
* PRF # C5: 1,6,9 => SOL
* PRF # C6: 2,8 => SOL
* INC # C6: 6,9 => UNS
* INC # A9: 1,2 => UNS
* INC # A9: 7 => UNS
* INC # G7: 1,2 => UNS
* INC # G7: 5,9 => UNS
* DIS # F7: 5,9 => CTR => F7: 2,8
* INC # F7: 2,8 => UNS
* INC # G7: 5,9 => UNS
* INC # I7: 5,9 => UNS
* DIS # E4: 5,9 => CTR => E4: 6
* PRF # E4: 6 => SOL
* INC # D9: 2,7 => UNS
* INC # D9: 8 => UNS
* INC # A8: 2,7 => UNS
* INC # A8: 9 => UNS
* DIS # H1: 5,6 => CTR => H1: 9
* PRF # H1: 9 => SOL
* PRF # H6: 5,6 => SOL
* DIS # H6: 9 => CTR => H6: 5,6
* INC # D9: 2,8 => UNS
* DIS # F9: 2,8 => CTR => F9: 6,9
* INC # F9: 6,9 => UNS
* CNT  71 HDP CHAINS /  71 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* DIS # C1: 6,9 => CTR => C1: 1
* INC C1: 1 # H1: 6,9 => UNS
* DIS C1: 1 # I1: 6,9 => CTR => I1: 5
* INC C1: 1 + I1: 5 # A2: 6,9 => UNS
* DIS C1: 1 + I1: 5 # A2: 7 => CTR => A2: 6,9
* INC C1: 1 + I1: 5 + A2: 6,9 # E4: 6,9 => UNS
* DIS C1: 1 + I1: 5 + A2: 6,9 # E4: 5 => CTR => E4: 6,9
* INC C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 # F7: 2,8 => UNS
* DIS C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 # F9: 2,8 => CTR => F9: 9
* INC C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 # D9: 2,8 => UNS
* INC C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 # D9: 7 => UNS
* INC C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 # C5: 8,9 => UNS
* PRF C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 # C6: 8,9 => SOL
* STA C1: 1 + I1: 5 + A2: 6,9 + E4: 6,9 + F9: 9 + C6: 8,9
* CNT  13 HDP CHAINS /  13 HYP OPENED