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TWIN 2x2 COLUMN SYMMETRY · CATALOG DDT01 (SEED 204301)

Double-Double Twin Shoe DDT01: 68-Hand 8-Deck Scoreboard & Derived-Road Audit

Catalog shoe DDT01 (seed 204301) captures a repeating 2-bead BB-PP-BB-PP twin columns testing Rule 1 and Rule 2 Case 1 in tandem across 68 dealt 8-deck hands (30 Banker, 30 Player, 8 Tie). Its 28 logical Big Road columns occupy 28 display columns (C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:3P · C7:1B · C8:2P) and generate 57 Big Eye Boy marks (21R/36B), 55 Small Road marks (23R/32B), and 53 Cockroach Pig marks (41R/12B).

Verified 8-Deck Hands
68 (DDT01)
Outcome Split
30B / 30P / 8T
Peak Streaks
4B · 4P
Big Road Columns
28 Cols
Engine-Verified Scoreboard · 68 Hands

Read the Board at Table Speed

Open this shoe in /calculator
Big Road B B P P B P P B B P P B P P B B P B B P P P B P P B B P B B P P B B B P B B P P B P P B B B P B B P P P
Big Eye Boy = = = = = = ≠ ≠ ≠ ≠ ≠ = = = ≠ ≠ ≠ ≠ ≠ = = ≠ = ≠ ≠ ≠ = ≠ = ≠ ≠ ≠ = ≠ = ≠ = ≠ = ≠ ≠ ≠ ≠ = ≠ ≠ ≠ ≠ ≠ = ≠ ≠ ≠ ≠ ≠ = ≠
Small Road = = = = = = ≠ ≠ ≠ = = ≠ ≠ = ≠ ≠ = ≠ ≠ = = ≠ ≠ = = ≠ ≠ ≠ ≠ = ≠ ≠ ≠ ≠ = = ≠ ≠ ≠ = ≠ ≠ = ≠ ≠ = ≠ ≠ = ≠ ≠ = ≠ ≠ =
Cockroach Pig = = = = = ≠ ≠ ≠ = = = = = = ≠ ≠ = = = = ≠ ≠ = = = ≠ = = = = = = ≠ = = ≠ ≠ = = = = ≠ = = = = = = = = = = =

DDT01 (seed 204301): 68 hands (30B / 30P / 8T), peak streaks 4B & 4P across 28 logical columns.

Big Road B is Banker, P is Player Roads under it Red (=): repeating Blue (≠): breaking
Step-by-Step Mark Proofs (Rule 1 & Rule 2)
DDT01 Big Eye Boy Entry #3

This bead is at Row 2. Column 2 has a bead at Row 2 too → red (=).

  1. Column 3 goes down to Row 2, so use Rule 2: look 1 column back, at Column 2.
  2. Column 2 has a bead at Row 2 too → red (=).

Common table reading watchout: Thinking "no bead at this row" means blue. It is blue only when Column 2 stopped exactly one row above this bead.

DDT01 Small Road Entry #2

Column 3 has 2 beads. Column 1 has 2 beads. Same depth → red (=).

  1. Column 4 starts, so use Rule 1: compare Column 3 with Column 1, 2 columns further back.
  2. Column 3 has 2 beads. Column 1 has 2 beads. Same depth → red (=).

Common table reading watchout: Comparing the wrong columns. Compare Column 3, the one that just finished, with Column 1.

DDT01 Cockroach Pig Entry #1

This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=).

  1. Column 4 goes down to Row 2, so use Rule 2: look 3 columns back, at Column 1.
  2. Column 1 has a bead at Row 2 too → red (=).

Common table reading watchout: Thinking "no bead at this row" means blue. It is blue only when Column 1 stopped exactly one row above this bead.

Verified Reference Data

Key Facts & Table Specifications

DDT01 8-Deck Hand Distribution
68 Hands (30 Banker / 30 Player / 8 Tie)

Seed 204301 opening column signature: C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:3P · C7:1B · C8:2P.

DDT01 Big Road Span & Max Streaks
Max 4B / Max 4P Across 28 Logical Cols (28 Display Cols)

In a 2-by-2 twin run, the first bead of each pair triggers Rule 1 at Row 1 (comparing prior depth 2 against depth 2) and the second bead triggers Rule 2 Case 1 at Row 2.

DDT01 Big Eye Boy Rule Breakdown
57 Marks (21R / 36B · 36.8% Red across 26 Display Cols)

Rule 1: 26 marks · Rule 2 Case 1: 0 · Case 2: 0 · Case 3: 31.

DDT01 Small Road & Cockroach Pig Tally
SR: 23R/32B (41.8% Red) · CP: 41R/12B (77.4% Red)

When a column finally extends to a third bead at Row 3, it steps exactly one row past the reference column's depth-2 stop point, producing a textbook Rule 2 Case 2 Blue (≠) break.

DDT01 Hand #69 Next-Hand Probe
If B → BEB blue, SR blue, CP red | If P → BEB red, SR red, CP blue

Computed by getNextRoadPredictions() after Hand #68 of DDT01.

DDT01 COLUMN GEOMETRY (DOUBLE-DOUBLE-TWIN)

DDT01 Scoreboard Structure: C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:3P · C7:1B · C8:2P

In catalog shoe DDT01 (seed 204301), 68 total hands resolve into 30 Banker wins, 30 Player wins, and 8 Ties across 28 logical columns (C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:3P · C7:1B · C8:2P). In a 2-by-2 twin run, the first bead of each pair triggers Rule 1 at Row 1 (comparing prior depth 2 against depth 2) and the second bead triggers Rule 2 Case 1 at Row 2.

Tracking DDT01 column by column shows peak runs of 4B and 4P spreading across 28 Big Road display columns: DDT01 records 26 Rule 1 new-column checks, 0 Rule 2 Case 1 covered-row checks, 0 Rule 2 Case 2 one-past-bottom breaks, and 31 Rule 2 Case 3 deep-tail checks.

Opening 10 Big Road Columns of DDT01 (Seed 204301)
Column & SpanBeadsRunning TallyGrid StopDepth Pair
DDT01-C01 (H1–H2)2B (BB) [DDT01]2B/0P (+0T @DDT01-C1)DDT01 Row2 Stop (Col1)NextColVsDDT01-C1: 2v2
DDT01-C02 (H3–H4)2P (PP) [DDT01]2B/2P (+0T @DDT01-C2)DDT01 Row2 Stop (Col2)NextColVsDDT01-C1: 2v2
DDT01-C03 (H5–H7)2B (BB) [DDT01]4B/2P (+1T @DDT01-C3)DDT01 Row2 Stop (Col3)NextColVsDDT01-C2: 2v2
DDT01-C04 (H8–H9)2P (PP) [DDT01]4B/4P (+0T @DDT01-C4)DDT01 Row2 Stop (Col4)NextColVsDDT01-C3: 2v2
DDT01-C05 (H10–H11)2B (BB) [DDT01]6B/4P (+0T @DDT01-C5)DDT01 Row2 Stop (Col5)NextColVsDDT01-C4: 2v2
DDT01-C06 (H12–H15)3P (PPP) [DDT01]6B/7P (+1T @DDT01-C6)DDT01 Row3 Stop (Col6)NextColVsDDT01-C5: 3v2
DDT01-C07 (H16–H16)1B (B) [DDT01]7B/7P (+0T @DDT01-C7)DDT01 Row1 Stop (Col7)NextColVsDDT01-C6: 1v3
DDT01-C08 (H17–H18)2P (PP) [DDT01]7B/9P (+0T @DDT01-C8)DDT01 Row2 Stop (Col8)NextColVsDDT01-C7: 2v1
DDT01-C09 (H19–H22)3B (BBB) [DDT01]10B/9P (+1T @DDT01-C9)DDT01 Row3 Stop (Col9)NextColVsDDT01-C8: 3v2
DDT01-C10 (H23–H23)1P (P) [DDT01]10B/10P (+0T @DDT01-C10)DDT01 Row1 Stop (Col10)NextColVsDDT01-C9: 1v3
  • DDT01 BEB #3 (RED): verified at DDT01 lookback-1 index 2 (21R/36B total).
  • DDT01 SR #2 (RED): verified at DDT01 lookback-2 index 1 (23R/32B total).
  • DDT01 CP #1 (RED): verified at DDT01 lookback-3 index 0 (41R/12B total).
DDT01 DERIVED-ROAD & CUT-CARD PROBE

DDT01 Lookback Split (21R/36B BEB · 23R/32B SR · 41R/12B CP)

When a column finally extends to a third bead at Row 3, it steps exactly one row past the reference column's depth-2 stop point, producing a textbook Rule 2 Case 2 Blue (≠) break. Across DDT01, Big Eye Boy prints 21 Red (36.8%) and 36 Blue marks, Small Road prints 23 Red (41.8%) and 32 Blue marks, and Cockroach Pig prints 41 Red (77.4%) and 12 Blue marks.

At the DDT01 cut card after Hand #68, probing Hand #69 via getNextRoadPredictions() yields Banker → BEB BLUE / SR BLUE / CP RED and Player → BEB RED / SR RED / CP BLUE for DDT01.

Table Reality Check

Myth vs. Truth

MythThe second bead of each pair in DDT01 marks Blue because the 2-bead column is about to end.
TruthAt Row 2 in DDT01, the reference column also has a bead at Row 2, so Rule 2 Case 1 marks Red (=); a break only appears if a column stops at 1 or extends to Row 3.
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  • Structured step-by-step track across Foundations, Big Eye Boy, Small Road, and Cockroach Pig
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