Analysis of xx-top500-490-base.sdk

Contents

Original Sudoku

level: medium

Original Sudoku

position: ...7.1....6....4...5.......7.......2....5.6..3.........4....58.1..2........3...7. initial

Autosolve

position: .3.7.18...6.5..4...5.......7.......2....5.6..3........642...5831732859..5..3..271 autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

The following important HDP chains were detected:

* DIS # A3: 4,9 => CTR => A3: 2,8
* DIS # E1: 4,9 => CTR => E1: 2,6
* DIS # C5: 4,9 => CTR => C5: 8
* PRF # C5: 8 => SOL
* PRF # G3: 1,7 => SOL
* DIS # G3: 3 => CTR => G3: 1,7
* DIS # I3: 7,9 => CTR => I3: 6
* PRF # I5: 7,9 => SOL
* DIS # I5: 8 => CTR => I5: 7,9
* DIS # I6: 7,9 => CTR => I6: 4,5,8
* DIS # C5: 4,9 => CTR => C5: 8
* PRF # C5: 8 => SOL
* DIS # A3: 4,9 => CTR => A3: 2,8
* DIS # H4: 1,3 => CTR => H4: 4,5,9
* DIS # H5: 1,3 => CTR => H5: 9
* PRF # H5: 9 => SOL
* DIS # G3: 1,3 => CTR => G3: 7
* PRF # G3: 7 => SOL
* DIS # E6: 2,4,6,9 => CTR => E6: 1,7
* PRF # G3: 1,7 => SOL
* DIS # G3: 3 => CTR => G3: 1,7
* DIS # B5: 8,9 => CTR => B5: 1,2
* PRF # B6: 8,9 => SOL
* DIS # C5: 4 => CTR => C5: 8,9
* PRF # E7: 1,9 => SOL
* DIS # E7: 7 => CTR => E7: 1,9
* DIS # D4: 1,9 => CTR => D4: 4,6,8
* DIS # D6: 1,9 => CTR => D6: 4,6,8
* DIS # E7: 7,9 => CTR => E7: 1
* PRF # E7: 1 => SOL
* DIS # F5: 7,9 => CTR => F5: 2,3,8
* PRF # F5: 2,3,8 => SOL
* DIS # F6: 7,9 => CTR => F6: 2,4,6,8
* DIS # E3: 4,6 => CTR => E3: 2,3,9
* DIS # E4: 4,6 => CTR => E4: 1,3,9
* DIS # E6: 4,6 => CTR => E6: 1,2,7,9
* DIS # F6: 4,6 => CTR => F6: 2,7,8,9
* CNT  37 HDP CHAINS /  63 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: 4,9 => CTR => A3: 2,8
* DIS A3: 2,8 # A1: 2 => CTR => A1: 4,9
* DIS A3: 2,8 + A1: 4,9 # C5: 4,9 => CTR => C5: 8
* PRF A3: 2,8 + A1: 4,9 + C5: 8 => SOL
* STA A3: 2,8 + A1: 4,9 + C5: 8
* CNT   4 HDP CHAINS /   5 HYP OPENED

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

Details

Positions

...7.1....6....4...5.......7.......2....5.6..3.........4....58.1..2........3...7. initial
.3.7.18...6.5..4...5.......7.......2....5.6..3........642...5831732859..5..3..271 autosolve
934761825267538419851429736716894352428153697395672148642917583173285964589346271 solved

Classification

level: medium

Pairing Analysis

--------------------------------------------------
* PAIRS (17)
C1: 4,9
C2: 1,7
C3: 1,7
I2: 7,9
C4: 5,6
A5: 4,9
C6: 5,6
G4: 1,3
G6: 1,7
B9: 8,9
C9: 8,9
D7: 1,9
F7: 7,9
E9: 4,6
F9: 4,6
H8: 4,6
I8: 4,6

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
C2,C3: 1.. / C2 = 1  =>  0 pairs (X) / C3 = 1  => 21 pairs (_)
D7,E7: 1.. / D7 = 1  =>  0 pairs (X) / E7 = 1  =>  0 pairs (_)
C2,H2: 1.. / C2 = 1  =>  0 pairs (X) / H2 = 1  => 21 pairs (_)
B5,B6: 2.. / B5 = 2  => 17 pairs (_) / B6 = 2  =>  0 pairs (X)
B5,F5: 2.. / B5 = 2  => 17 pairs (_) / F5 = 2  =>  0 pairs (X)
F5,H5: 3.. / F5 = 3  =>  0 pairs (*) / H5 = 3  =>  0 pairs (X)
G3,G4: 3.. / G3 = 3  =>  0 pairs (X) / G4 = 3  =>  0 pairs (_)
A5,C5: 4.. / A5 = 4  => 17 pairs (_) / C5 = 4  =>  0 pairs (X)
E9,F9: 4.. / E9 = 4  => 15 pairs (_) / F9 = 4  =>  0 pairs (X)
H8,I8: 4.. / H8 = 4  =>  0 pairs (X) / I8 = 4  => 15 pairs (_)
C1,C5: 4.. / C1 = 4  => 17 pairs (_) / C5 = 4  =>  0 pairs (X)
I6,I8: 4.. / I6 = 4  =>  0 pairs (X) / I8 = 4  => 15 pairs (_)
H1,I1: 5.. / H1 = 5  =>  0 pairs (X) / I1 = 5  => 17 pairs (_)
C4,C6: 5.. / C4 = 5  => 15 pairs (_) / C6 = 5  => 15 pairs (_)
C4,H4: 5.. / C4 = 5  => 15 pairs (_) / H4 = 5  => 15 pairs (_)
I1,I6: 5.. / I1 = 5  => 17 pairs (_) / I6 = 5  =>  0 pairs (X)
C4,C6: 6.. / C4 = 6  => 15 pairs (_) / C6 = 6  => 15 pairs (_)
E9,F9: 6.. / E9 = 6  =>  0 pairs (X) / F9 = 6  => 15 pairs (_)
H8,I8: 6.. / H8 = 6  => 15 pairs (_) / I8 = 6  =>  0 pairs (X)
C2,C3: 7.. / C2 = 7  => 21 pairs (_) / C3 = 7  =>  0 pairs (X)
E7,F7: 7.. / E7 = 7  =>  0 pairs (X) / F7 = 7  =>  0 pairs (_)
C2,I2: 7.. / C2 = 7  => 21 pairs (_) / I2 = 7  =>  0 pairs (X)
F5,I5: 7.. / F5 = 7  =>  0 pairs (X) / I5 = 7  =>  0 pairs (_)
E6,E7: 7.. / E6 = 7  =>  0 pairs (*) / E7 = 7  =>  0 pairs (X)
G3,G6: 7.. / G3 = 7  =>  0 pairs (*) / G6 = 7  =>  0 pairs (X)
A2,A3: 8.. / A2 = 8  => 17 pairs (_) / A3 = 8  => 18 pairs (_)
I5,I6: 8.. / I5 = 8  =>  0 pairs (X) / I6 = 8  =>  0 pairs (_)
B9,C9: 8.. / B9 = 8  =>  0 pairs (*) / C9 = 8  =>  0 pairs (X)
A2,F2: 8.. / A2 = 8  => 17 pairs (_) / F2 = 8  => 18 pairs (_)
C5,C9: 8.. / C5 = 8  =>  0 pairs (*) / C9 = 8  =>  0 pairs (X)
B9,C9: 9.. / B9 = 9  =>  0 pairs (X) / C9 = 9  =>  0 pairs (_)
* DURATION: 0:00:51.775338  START: 19:24:52.317923  END: 19:25:44.093261 2017-05-04
* CP COUNT: (31)
* SOLUTION FOUND

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A5,B9,C1,C2,C3,C4,C6,C9,D7,E9,F7,F9,G4,G6,H8,I2,I8)
* .3.7.18...6.5..4...5.......7.......2....5.6..3........642...5831732859..5..3..271
* PAIR C1: 4,9 BLK 1
A1: 4,9,2                                # reduction candidate for 4,9
A1: 4,9                                  # 22 pairs
A3: 4,9,2,8                              # reduction candidate for 4,9
A3: 4,9 => CTR
* 23.7.18..86.5..4...5.......7.......2....5763.3.....7..6421795831732859..5..3..271
A3: 2,8                                  # 18 pairs
* PAIR C1: 4,9 ROW 1
E1: 4,9,2,6                              # reduction candidate for 4,9
E1: 4,9 => CTR
* 23.7.18...6.5..4...5....3..7.....1.2.2.1576383.....7..642.795831732859..5.83..271
E1: 2,6                                  # 18 pairs
* PAIR C1: 4,9 COL C
C5: 4,9,8                                # reduction candidate for 4,9
C5: 4,9 => CTR
* .3.7.18...6.5..4...5.......7.......2....576383.....7..642.795831732859..5983..271
C5: 8 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
* PAIR C3: 1,7 ROW 3
G3: 1,7,3                                # reduction candidate for 1,7
G3: 1,7 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
G3: 3 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2....5763.3...127..6421795831732859..5..3..271
* PAIR I2: 7,9 BLK 3
I3: 7,9,6                                # reduction candidate for 7,9
I3: 7,9 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2.2.1576383.....7..642.795831732859..5.83..271
I3: 6                                    # 14 pairs
* PAIR I2: 7,9 COL I
I5: 7,9,8                                # reduction candidate for 7,9
I5: 7,9 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
I5: 8 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2.2.1576383........642.795831732859..5.83..271
I6: 7,9,4,5,8                            # reduction candidate for 7,9
I6: 7,9 => CTR
* .3.7618.5.6.5..4...5....3.67.....1.2.2.1576383........642.795831732859645983..271
I6: 4,5,8                                # 17 pairs
* PAIR A5: 4,9 BLK 4
C5: 4,9,8                                # reduction candidate for 4,9
C5: 4,9 => CTR
* .3.7.18...6.5..4...5.......7.......2....576383.....7..642.795831732859..5983..271
C5: 8 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
* PAIR A5: 4,9 COL A
A1: 4,9,2                                # reduction candidate for 4,9
A1: 4,9                                  # 22 pairs
A3: 4,9,2,8                              # reduction candidate for 4,9
A3: 4,9 => CTR
* 23.7.18..86.5..4...5.......7.......2....5763.3.....7..6421795831732859..5..3..271
A3: 2,8                                  # 18 pairs
* PAIR G4: 1,3 BLK 6
H4: 1,3,4,5,9                            # reduction candidate for 1,3
H4: 1,3 => CTR
* .3.7.18...6.5..4...5.......7.5.....2....5.6..3.6......642...5831732859..5..3..271
H4: 4,5,9                                # 17 pairs
H5: 1,3,9                                # reduction candidate for 1,3
H5: 1,3 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2.2.15763.3.....7..642.795831732859..5..3..271
H5: 9 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
* PAIR G4: 1,3 ROW 4
E4: 1,3,4,6,9                            # reduction candidate for 1,3
E4: 1,3                                  # 21 pairs
E4: 4,6,9                                # 20 pairs
* PAIR G4: 1,3 COL G
G3: 1,3,7                                # reduction candidate for 1,3
G3: 1,3 => CTR
* .3.7.18...6.5..4...5.......7.......2....5763.3.....7..6421795831732859..5..3..271
G3: 7 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
* PAIR G6: 1,7 ROW 6
E6: 1,7,2,4,6,9                          # reduction candidate for 1,7
E6: 2,4,6,9 => CTR
* .3.7.18...6.5..4...5.......7...1.3.2....536.73....71.86421795831732859.45..3..271
E6: 1,7                                  # 18 pairs
* PAIR G6: 1,7 COL G
G3: 1,7,3                                # reduction candidate for 1,7
G3: 1,7 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
G3: 3 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2....5763.3...127..6421795831732859..5..3..271
* PAIR B9: 8,9 COL B
B4: 8,9,1                                # reduction candidate for 8,9
B4: 8,9                                  # 20 pairs
B5: 8,9,1,2                              # reduction candidate for 8,9
B5: 8,9 => CTR
* .3.7.18...6.5..4...5.......7.......2....5263732....1..642...5831732859..5..3..271
B5: 1,2                                  # 18 pairs
B6: 8,9,1,2                              # reduction candidate for 8,9
B6: 8,9 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
B6: 1,2                                  # 18 pairs
* PAIR C9: 8,9 COL C
C5: 8,9,4                                # reduction candidate for 8,9
C5: 4 => CTR
* .397.18...6.5..4...5.......7.......29.4.576383.....7..642.795831732859..5983..271
C5: 8,9                                  # 17 pairs
* PAIR D7: 1,9 BLK 8
E7: 1,9,7                                # reduction candidate for 1,9
E7: 1,9 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
E7: 7 => CTR
* .3.7.18...6.5..4...5.......7.......2....5.6.73....71.86421795831732859.45..3..271
* PAIR D7: 1,9 COL D
D4: 1,9,4,6,8                            # reduction candidate for 1,9
D4: 1,9 => CTR
* .3.7618.5.6.5..4...5.4....6786..4.52...85.6..3.56...48642...583173285964598346271
D4: 4,6,8                                # 17 pairs
D5: 1,9,8                                # reduction candidate for 1,9
D5: 1,9                                  # 18 pairs
D6: 1,9,4,6,8                            # reduction candidate for 1,9
D6: 1,9 => CTR
* .3.7618.5.6.5..4...5.4....67856...42...85.6..3.6..4.58642...583173285964598346271
D6: 4,6,8                                # 17 pairs
* PAIR F7: 7,9 BLK 8
E7: 7,9,1                                # reduction candidate for 7,9
E7: 7,9 => CTR
* .3.7.18...6.5..4...5.......7.......2....5.6.73.....1.86421..5831732859.45..3..271
E7: 1 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
* PAIR F7: 7,9 COL F
F5: 7,9,2,3,8                            # reduction candidate for 7,9
F5: 7,9 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2.2.15.63.31....7..6429..5831732859..5..3..271
F5: 2,3,8 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
F6: 7,9,2,4,6,8                          # reduction candidate for 7,9
F6: 7,9 => CTR
* .3.761825.6753.419.51...7367...1.3.24...536973...271.8642.795831732859645..3..271
F6: 2,4,6,8                              # 17 pairs
* PAIR E9: 4,6 COL E
E1: 4,6,2,9                              # reduction candidate for 4,6
E1: 4,6                                  # 18 pairs
E3: 4,6,2,3,9                            # reduction candidate for 4,6
E3: 4,6 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2.2.1576383.....7..642.795831732859..5.83..271
E3: 2,3,9                                # 17 pairs
E4: 4,6,1,3,9                            # reduction candidate for 4,6
E4: 4,6 => CTR
* .3.7.18...6.5.84..85.......7.......2....576383...127..6421795831732859..5.83..271
E4: 1,3,9                                # 17 pairs
E6: 4,6,1,2,7,9                          # reduction candidate for 4,6
E6: 4,6 => CTR
* .3.7.18...6.5..4...5.......7...1.3.2....536.73........642.795831732859..5..3..271
E6: 1,2,7,9                              # 17 pairs
* PAIR F9: 4,6 COL F
F3: 4,6,2,3,8,9                          # reduction candidate for 4,6
F3: 4,6                                  # 18 pairs
F4: 4,6,3,8,9                            # reduction candidate for 4,6
F4: 4,6                                  # 18 pairs
F6: 4,6,2,7,8,9                          # reduction candidate for 4,6
F6: 4,6 => CTR
* .3.7.18...6.5..4...5....3..7.....1.2....5.63.3.....7..642...5831732859..5..3..271
F6: 2,7,8,9                              # 17 pairs
* INCONCLUSIVE
* SAVE PR GRAPH xx-top500-490-base-pr-000.dot
* REASONING
* DIS # A3: 4,9 => CTR => A3: 2,8
* DIS # E1: 4,9 => CTR => E1: 2,6
* DIS # C5: 4,9 => CTR => C5: 8
* PRF # C5: 8 => SOL
* PRF # G3: 1,7 => SOL
* DIS # G3: 3 => CTR => G3: 1,7
* DIS # I3: 7,9 => CTR => I3: 6
* PRF # I5: 7,9 => SOL
* DIS # I5: 8 => CTR => I5: 7,9
* DIS # I6: 7,9 => CTR => I6: 4,5,8
* DIS # C5: 4,9 => CTR => C5: 8
* PRF # C5: 8 => SOL
* DIS # A3: 4,9 => CTR => A3: 2,8
* DIS # H4: 1,3 => CTR => H4: 4,5,9
* DIS # H5: 1,3 => CTR => H5: 9
* PRF # H5: 9 => SOL
* DIS # G3: 1,3 => CTR => G3: 7
* PRF # G3: 7 => SOL
* DIS # E6: 2,4,6,9 => CTR => E6: 1,7
* PRF # G3: 1,7 => SOL
* DIS # G3: 3 => CTR => G3: 1,7
* DIS # B5: 8,9 => CTR => B5: 1,2
* PRF # B6: 8,9 => SOL
* DIS # C5: 4 => CTR => C5: 8,9
* PRF # E7: 1,9 => SOL
* DIS # E7: 7 => CTR => E7: 1,9
* DIS # D4: 1,9 => CTR => D4: 4,6,8
* DIS # D6: 1,9 => CTR => D6: 4,6,8
* DIS # E7: 7,9 => CTR => E7: 1
* PRF # E7: 1 => SOL
* DIS # F5: 7,9 => CTR => F5: 2,3,8
* PRF # F5: 2,3,8 => SOL
* DIS # F6: 7,9 => CTR => F6: 2,4,6,8
* DIS # E3: 4,6 => CTR => E3: 2,3,9
* DIS # E4: 4,6 => CTR => E4: 1,3,9
* DIS # E6: 4,6 => CTR => E6: 1,2,7,9
* DIS # F6: 4,6 => CTR => F6: 2,7,8,9
* CNT  37 HDP CHAINS /  63 HYP OPENED

--------------------------------------------------
* PREPARE PR GRAPH
* PAIR REDUCTION ..
* LEVEL 0 PASS 1 ROUND 1 (AUTO SOLVE) (A5,B9,C1,C2,C3,C4,C6,C9,D7,E9,F7,F9,G4,G6,H8,I2,I8)
* .3.7.18...6.5..4...5.......7.......2....5.6..3........642...5831732859..5..3..271
* PAIR C1: 4,9 BLK 1
A1: 4,9,2                                # reduction candidate for 4,9
A1: 4,9                                  # 22 pairs
A3: 4,9,2,8                              # reduction candidate for 4,9
A3: 4,9 => CTR
* 23.7.18..86.5..4...5.......7.......2....5763.3.....7..6421795831732859..5..3..271
* RESTART
* PAIR C1: 4,9 BLK 1
A1: 4,9,2                                # reduction candidate for 4,9
A1: 2 => CTR
* 2347.18..961538427857...31.7....31.242.15763.3.....7..642.795831732859..5..3..271
* PAIR C1: 4,9 COL C
C5: 4,9,8                                # reduction candidate for 4,9
C5: 4,9 => CTR
* .3.7.18...6.5..4...5.......7.......2....576383.....7..642.795831732859..5983..271
C5: 8 => SOLVED
* 934761825267538419851429736716894352428153697395672148642917583173285964589346271
* DURATION: 0:00:07.162766  START: 19:26:43.087285  END: 19:26:50.250051 2017-05-04
* SOLUTION FOUND
* SAVE PR GRAPH xx-top500-490-base-pr-001.dot
* REASONING
* DIS # A3: 4,9 => CTR => A3: 2,8
* DIS A3: 2,8 # A1: 2 => CTR => A1: 4,9
* DIS A3: 2,8 + A1: 4,9 # C5: 4,9 => CTR => C5: 8
* PRF A3: 2,8 + A1: 4,9 + C5: 8 => SOL
* STA A3: 2,8 + A1: 4,9 + C5: 8
* CNT   4 HDP CHAINS /   5 HYP OPENED

Header Info

Top 500 Minimum 17 490

solution: 934761825267538419851429736716894352428153697395672148642917583173285964589346271
info: 96229    FNBTHXYK S8.f     44994

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

Solution

position: 934761825267538419851429736716894352428153697395672148642917583173285964589346271 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 # A1: 4,9 => UNS
* DIS # A3: 4,9 => CTR => A3: 2,8
* INC # A3: 2,8 => UNS
* DIS # E1: 4,9 => CTR => E1: 2,6
* INC # E1: 2,6 => UNS
* DIS # C5: 4,9 => CTR => C5: 8
* PRF # C5: 8 => SOL
* PRF # G3: 1,7 => SOL
* DIS # G3: 3 => CTR => G3: 1,7
* DIS # I3: 7,9 => CTR => I3: 6
* INC # I3: 6 => UNS
* PRF # I5: 7,9 => SOL
* DIS # I5: 8 => CTR => I5: 7,9
* DIS # I6: 7,9 => CTR => I6: 4,5,8
* INC # I6: 4,5,8 => UNS
* DIS # C5: 4,9 => CTR => C5: 8
* PRF # C5: 8 => SOL
* INC # A1: 4,9 => UNS
* DIS # A3: 4,9 => CTR => A3: 2,8
* INC # A3: 2,8 => UNS
* DIS # H4: 1,3 => CTR => H4: 4,5,9
* INC # H4: 4,5,9 => UNS
* DIS # H5: 1,3 => CTR => H5: 9
* PRF # H5: 9 => SOL
* INC # E4: 1,3 => UNS
* INC # E4: 4,6,9 => UNS
* DIS # G3: 1,3 => CTR => G3: 7
* PRF # G3: 7 => SOL
* INC # E6: 1,7 => UNS
* DIS # E6: 2,4,6,9 => CTR => E6: 1,7
* PRF # G3: 1,7 => SOL
* DIS # G3: 3 => CTR => G3: 1,7
* INC # B4: 8,9 => UNS
* DIS # B5: 8,9 => CTR => B5: 1,2
* INC # B5: 1,2 => UNS
* PRF # B6: 8,9 => SOL
* INC # B6: 1,2 => UNS
* INC # C5: 8,9 => UNS
* DIS # C5: 4 => CTR => C5: 8,9
* PRF # E7: 1,9 => SOL
* DIS # E7: 7 => CTR => E7: 1,9
* DIS # D4: 1,9 => CTR => D4: 4,6,8
* INC # D4: 4,6,8 => UNS
* INC # D5: 1,9 => UNS
* DIS # D6: 1,9 => CTR => D6: 4,6,8
* INC # D6: 4,6,8 => UNS
* DIS # E7: 7,9 => CTR => E7: 1
* PRF # E7: 1 => SOL
* DIS # F5: 7,9 => CTR => F5: 2,3,8
* PRF # F5: 2,3,8 => SOL
* DIS # F6: 7,9 => CTR => F6: 2,4,6,8
* INC # F6: 2,4,6,8 => UNS
* INC # E1: 4,6 => UNS
* DIS # E3: 4,6 => CTR => E3: 2,3,9
* INC # E3: 2,3,9 => UNS
* DIS # E4: 4,6 => CTR => E4: 1,3,9
* INC # E4: 1,3,9 => UNS
* DIS # E6: 4,6 => CTR => E6: 1,2,7,9
* INC # E6: 1,2,7,9 => UNS
* INC # F3: 4,6 => UNS
* INC # F4: 4,6 => UNS
* DIS # F6: 4,6 => CTR => F6: 2,7,8,9
* INC # F6: 2,7,8,9 => UNS
* CNT  63 HDP CHAINS /  63 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* INC # A1: 4,9 => UNS
* DIS # A3: 4,9 => CTR => A3: 2,8
* INC A3: 2,8 # A1: 4,9 => UNS
* DIS A3: 2,8 # A1: 2 => CTR => A1: 4,9
* DIS A3: 2,8 + A1: 4,9 # C5: 4,9 => CTR => C5: 8
* PRF A3: 2,8 + A1: 4,9 + C5: 8 => SOL
* STA A3: 2,8 + A1: 4,9 + C5: 8
* CNT   6 HDP CHAINS /   5 HYP OPENED