This bead is at Row 2. Column 1 stopped at Row 1, one row above → blue (≠). In this engine-verified Cockroach Pig (曱甴路 (Gaat Jaat Lou)) walkthrough, we inspect Mark #1 at Big Road Column 4, Row 2 (looking 3 columns back to Column 1) and trace every step through describeMarkSteps().
RW-CP-R2-C2 (Cockroach Pig, Lookback 3): Mark #1 at Big Road Column 4, Row 2 → This bead is at Row 2. Column 1 stopped at Row 1, one row above → blue (≠).
This bead is at Row 2. Column 1 stopped at Row 1, one row above → blue (≠).
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.
Compares Big Road columns separated by 3 columns.
Triggers Rule 2 (Continuing Down a Column).
Rendered with crisp SIGNAL white (#F4F5F6) lookback boxes.
Steps: 1. Column 4 goes down to Row 2, so use Rule 2: look 3 columns back, at Column 1. 2. Column 1 stopped at Row 1, one row above → blue (≠).
Next-hand probe on this board: If B → -, If P → -.
Rule 2 Case 2 on Cockroach Pig occurs when the active Big Road column (`Column C`) descends to Row `R`, and the reference column 3 positions back (`Column C - 3`) stopped at Row `R - 1` (one row above).
In `BPPBBBPPPP...`, Column 1 has 1 Banker bead (`B`, stopping at Row 1), Column 2 has 2 Player beads (`PP`), and Column 3 has 3 Banker beads (`BBB`). When Column 4 (`PPPP`) descends to Row 2, Cockroach Pig places its very first slash by looking 3 columns back to Column 1. Because Column 1 stopped at Row 1—one row above Row 2—Cockroach Pig marks a Blue (≠) slash.
Our locked road engine summarizes this exact mark in two steps: 1. Column 4 goes down to Row 2, so use Rule 2: look 3 columns back, at Column 1. 2. Column 1 stopped at Row 1, one row above → blue (≠).
| Derived Mark | Big Road Position | Rule Applied | Verdict | describeMark() Explanation |
|---|---|---|---|---|
| Mark #1 (Featured) | Col 4, Row 2 | Rule 2 (Continue Down) | Blue (≠) | This bead is at Row 2. Column 1 stopped at Row 1, one row above → blue (≠). |
| Mark #2 | Col 4, Row 3 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 3. Column 1 stopped at Row 1, more than one row above → red (=). |
| Mark #3 | Col 4, Row 4 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 4. Column 1 stopped at Row 1, more than one row above → red (=). |
| Mark #4 | Col 5, Row 1 | Rule 1 (New Column) | Blue (≠) | Column 4 has 4 beads. Column 1 has 1 bead. Different depth → blue (≠). |
| Mark #5 | Col 5, Row 2 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 2. Column 2 has a bead at Row 2 too → red (=). |
| Mark #6 | Col 5, Row 3 | Rule 2 (Continue Down) | Blue (≠) | This bead is at Row 3. Column 2 stopped at Row 2, one row above → blue (≠). |
Once again, only the single transition row (`Row = refDepth + 1`) produces a Blue (≠) slash under Rule 2 on Cockroach Pig.
Across the full 34-hand board for RW-CP-R2-C2, Cockroach Pig records 27 total marks (13 Red = and 14 Blue ≠). Remember that each hand in an 8-deck shoe is an independent event and derived roads describe past column symmetry rather than predicting the next winner.
Enter any sequence to inspect the Big Road, Big Eye Boy, Small Road, Cockroach Pig, and next-hand previews.
About 64 minutes of lessons covering outcomes, the Bead Plate, Big Road columns, and dragon tails.
Train Third-Card Rule decisions, depth counting, lookback column references, and derived-road speed recognition.
Visual step-by-step breakdowns with closed captions, chapter markers, and full searchable transcripts.
Macau Cantonese, French, and mathematical table terms explained in plain English with road diagrams.
Direct answers to real student questions on dragon tails, tie handling, lookback rules, and table variants.
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