Catalog shoe DDT20 (seed 204320) captures a repeating 2-bead BB-PP-BB-PP twin columns testing Rule 1 and Rule 2 Case 1 in tandem across 73 dealt 8-deck hands (31 Banker, 35 Player, 7 Tie). Its 33 logical Big Road columns occupy 33 display columns (C1:1P · C2:1B · C3:1P · C4:2B · C5:2P · C6:2B · C7:2P · C8:2B) and generate 64 Big Eye Boy marks (33R/31B), 63 Small Road marks (31R/32B), and 62 Cockroach Pig marks (43R/19B).
DDT20 (seed 204320): 73 hands (31B / 35P / 7T), peak streaks 4B & 4P across 33 logical columns.
Column 4 has 2 beads. Column 3 has 1 bead. Different depth → blue (≠).
Common table reading watchout: Comparing the wrong columns. Compare Column 4, the one that just finished, with Column 3.
This bead is at Row 2. Column 4 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 4 stopped exactly one row above this bead.
Column 5 has 2 beads. Column 2 has 1 bead. Different depth → blue (≠).
Common table reading watchout: Comparing the wrong columns. Compare Column 5, the one that just finished, with Column 2.
Seed 204320 opening column signature: C1:1P · C2:1B · C3:1P · C4:2B · C5:2P · C6:2B · C7:2P · C8:2B.
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.
Rule 1: 31 marks · Rule 2 Case 1: 0 · Case 2: 0 · Case 3: 33.
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.
Computed by getNextRoadPredictions() after Hand #73 of DDT20.
In catalog shoe DDT20 (seed 204320), 73 total hands resolve into 31 Banker wins, 35 Player wins, and 7 Ties across 33 logical columns (C1:1P · C2:1B · C3:1P · C4:2B · C5:2P · C6:2B · C7:2P · C8:2B). 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 DDT20 column by column shows peak runs of 4B and 4P spreading across 33 Big Road display columns: DDT20 records 31 Rule 1 new-column checks, 0 Rule 2 Case 1 covered-row checks, 0 Rule 2 Case 2 one-past-bottom breaks, and 33 Rule 2 Case 3 deep-tail checks.
| Column & Span | Beads | Running Tally | Grid Stop | Depth Pair |
|---|---|---|---|---|
| DDT20-C01 (H1–H1) | 1P (P) [DDT20] | 0B/1P (+0T @DDT20-C1) | DDT20 Row1 Stop (Col1) | NextColVsDDT20-C1: 1v1 |
| DDT20-C02 (H2–H2) | 1B (B) [DDT20] | 1B/1P (+0T @DDT20-C2) | DDT20 Row1 Stop (Col2) | NextColVsDDT20-C1: 1v1 |
| DDT20-C03 (H3–H4) | 1P (P) [DDT20] | 1B/2P (+1T @DDT20-C3) | DDT20 Row1 Stop (Col3) | NextColVsDDT20-C2: 1v1 |
| DDT20-C04 (H5–H6) | 2B (BB) [DDT20] | 3B/2P (+0T @DDT20-C4) | DDT20 Row2 Stop (Col4) | NextColVsDDT20-C3: 2v1 |
| DDT20-C05 (H7–H8) | 2P (PP) [DDT20] | 3B/4P (+0T @DDT20-C5) | DDT20 Row2 Stop (Col5) | NextColVsDDT20-C4: 2v2 |
| DDT20-C06 (H9–H10) | 2B (BB) [DDT20] | 5B/4P (+0T @DDT20-C6) | DDT20 Row2 Stop (Col6) | NextColVsDDT20-C5: 2v2 |
| DDT20-C07 (H11–H13) | 2P (PP) [DDT20] | 5B/6P (+1T @DDT20-C7) | DDT20 Row2 Stop (Col7) | NextColVsDDT20-C6: 2v2 |
| DDT20-C08 (H14–H15) | 2B (BB) [DDT20] | 7B/6P (+0T @DDT20-C8) | DDT20 Row2 Stop (Col8) | NextColVsDDT20-C7: 2v2 |
| DDT20-C09 (H16–H17) | 2P (PP) [DDT20] | 7B/8P (+0T @DDT20-C9) | DDT20 Row2 Stop (Col9) | NextColVsDDT20-C8: 2v2 |
| DDT20-C10 (H18–H19) | 2B (BB) [DDT20] | 9B/8P (+0T @DDT20-C10) | DDT20 Row2 Stop (Col10) | NextColVsDDT20-C9: 2v2 |
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 DDT20, Big Eye Boy prints 33 Red (51.6%) and 31 Blue marks, Small Road prints 31 Red (49.2%) and 32 Blue marks, and Cockroach Pig prints 43 Red (69.4%) and 19 Blue marks.
At the DDT20 cut card after Hand #73, probing Hand #74 via getNextRoadPredictions() yields Banker → BEB RED / SR BLUE / CP BLUE and Player → BEB BLUE / SR RED / CP RED for DDT20.
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