Catalog shoe DDT21 (seed 204321) captures a repeating 2-bead BB-PP-BB-PP twin columns testing Rule 1 and Rule 2 Case 1 in tandem across 78 dealt 8-deck hands (36 Banker, 34 Player, 8 Tie). Its 32 logical Big Road columns occupy 32 display columns (C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:2P · C7:4B · C8:1P) and generate 67 Big Eye Boy marks (26R/41B), 65 Small Road marks (29R/36B), and 63 Cockroach Pig marks (49R/14B).
DDT21 (seed 204321): 78 hands (36B / 34P / 8T), peak streaks 4B & 4P across 32 logical columns.
This bead is at Row 2. Column 3 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 3 stopped exactly one row above this bead.
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.
This bead is at Row 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.
Seed 204321 opening column signature: C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:2P · C7:4B · C8:1P.
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: 30 marks · Rule 2 Case 1: 0 · Case 2: 0 · Case 3: 37.
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 #78 of DDT21.
In catalog shoe DDT21 (seed 204321), 78 total hands resolve into 36 Banker wins, 34 Player wins, and 8 Ties across 32 logical columns (C1:2B · C2:2P · C3:2B · C4:2P · C5:2B · C6:2P · C7:4B · C8:1P). 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 DDT21 column by column shows peak runs of 4B and 4P spreading across 32 Big Road display columns: DDT21 records 30 Rule 1 new-column checks, 0 Rule 2 Case 1 covered-row checks, 0 Rule 2 Case 2 one-past-bottom breaks, and 37 Rule 2 Case 3 deep-tail checks.
| Column & Span | Beads | Running Tally | Grid Stop | Depth Pair |
|---|---|---|---|---|
| DDT21-C01 (H1–H2) | 2B (BB) [DDT21] | 2B/0P (+0T @DDT21-C1) | DDT21 Row2 Stop (Col1) | NextColVsDDT21-C1: 2v2 |
| DDT21-C02 (H3–H4) | 2P (PP) [DDT21] | 2B/2P (+0T @DDT21-C2) | DDT21 Row2 Stop (Col2) | NextColVsDDT21-C1: 2v2 |
| DDT21-C03 (H5–H7) | 2B (BB) [DDT21] | 4B/2P (+1T @DDT21-C3) | DDT21 Row2 Stop (Col3) | NextColVsDDT21-C2: 2v2 |
| DDT21-C04 (H8–H9) | 2P (PP) [DDT21] | 4B/4P (+0T @DDT21-C4) | DDT21 Row2 Stop (Col4) | NextColVsDDT21-C3: 2v2 |
| DDT21-C05 (H10–H11) | 2B (BB) [DDT21] | 6B/4P (+0T @DDT21-C5) | DDT21 Row2 Stop (Col5) | NextColVsDDT21-C4: 2v2 |
| DDT21-C06 (H12–H13) | 2P (PP) [DDT21] | 6B/6P (+0T @DDT21-C6) | DDT21 Row2 Stop (Col6) | NextColVsDDT21-C5: 2v2 |
| DDT21-C07 (H14–H18) | 4B (BBBB) [DDT21] | 10B/6P (+1T @DDT21-C7) | DDT21 Row4 Stop (Col7) | NextColVsDDT21-C6: 4v2 |
| DDT21-C08 (H19–H19) | 1P (P) [DDT21] | 10B/7P (+0T @DDT21-C8) | DDT21 Row1 Stop (Col8) | NextColVsDDT21-C7: 1v4 |
| DDT21-C09 (H20–H21) | 2B (BB) [DDT21] | 12B/7P (+0T @DDT21-C9) | DDT21 Row2 Stop (Col9) | NextColVsDDT21-C8: 2v1 |
| DDT21-C10 (H22–H25) | 3P (PPP) [DDT21] | 12B/10P (+1T @DDT21-C10) | DDT21 Row3 Stop (Col10) | NextColVsDDT21-C9: 3v2 |
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 DDT21, Big Eye Boy prints 26 Red (38.8%) and 41 Blue marks, Small Road prints 29 Red (44.6%) and 36 Blue marks, and Cockroach Pig prints 49 Red (77.8%) and 14 Blue marks.
At the DDT21 cut card after Hand #78, probing Hand #79 via getNextRoadPredictions() yields Banker → BEB BLUE / SR BLUE / CP BLUE and Player → BEB RED / SR RED / CP RED for DDT21.
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